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Statistics For Dummies

Statistical Confidence Intervals In statistics, a confidence interval is an educated guess about some characteristic of the population. A ... /Working%20Data/admin/Desktop/Dummies/Dummies.html (3 of 3)25-04-11 14:29:37. Title: Untitled Document

http://statisticshelp.com/statshelp/wp-content/uploads/2011/04/Statistics%20For%20Dummies.pdf

Date added: May 4, 2013 - Views: 2265

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Confidence Intervals for the Difference Between Two Means

Confidence Intervals for the Difference Between Two Means . Introduction . This procedure calculates the sample size necessary to achieve a specified distance from the difference in sample

http://ncss.wpengine.netdna-cdn.com/wp-content/themes/ncss/pdf/Procedures/PASS/Confidence_Intervals_for_the_Difference_Between_Two_Means.pdf

Date added: June 24, 2014 - Views: 1

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Statistics II For Dummies

Statistics II For Dummies ... Confidence intervals for all pairs of means; overall error rate higher than Tukey’s Scheffe’s method Multiple comparisons Looks at linear combinations of means, not just pairs Bonferroni adjustment Multiple comparisons

http://statisticshelp.com/statshelp/wp-content/uploads/2011/04/Statistics%20II%20For%20Dummies.pdf

Date added: August 5, 2013 - Views: 209

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Confidence Interval Calculation for Binomial Proportions

Score confidence intervals begin similarly: Since the binomial is the sum of n independent Bernoulli random variables, for large values of n, the central limit theorem is valid and X has approximately a normal distribution.

http://www.mwsug.org/proceedings/2008/pharma/MWSUG-2008-P08.pdf

Date added: October 19, 2011 - Views: 16

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9 Hypothesis Testing and Confidence Intervals for Two Populations

227 9 Hypothesis Testing and Confidence Intervals for Two Populations Two Populations What exactly do I mean by two-population hypothesis testing? In many business settings,

http://www.kendallhunt.com/uploadedFiles/Kendall_Hunt/Content/Higher_Education/Uploads/CH09_%20Jones_Text.pdf

Date added: June 16, 2012 - Views: 4

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Chapter 9: Inferences based on Two samples: Confidence ...

Confidence intervals and tests of hypotheses . 9.1 The target parameter _____: difference between two population means _____: difference between two population proportions _____: ratio of two population variances . 9.2 Comparing two ...

http://www2.fiu.edu/~and/STA3123/studentnote/chapter9studentnote.pdf

Date added: May 16, 2013 - Views: 10

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GARCH models with dummies - Temple University

GARCH models with dummies A study of the impact of U.S. monetary policy on inflation Scott Deacle [email protected] April 26, 2006 ... Actual Inflation and GARCH(1,1) Confidence Intervals 1948 1953 1958 1963 1968 1973 1978 1983 1988 1993 1998 2003-15-10-5 0 5 10 15 20 25

http://isc.temple.edu/economics/Econ616/Students/2006/Deacle.pdf

Date added: September 26, 2012 - Views: 46

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Useful Stata Commands - Rensselaer Polytechnic Institute

G1. Confidence Intervals ... probit model with dummies for race and female, dummies for race-female interactions, age, age squared, and female times age. margins , race Compute the average probability (approach 2) that y=1 for all

http://homepages.rpi.edu/~simonk/pdf/UsefulStataCommands.pdf

Date added: November 27, 2011 - Views: 106

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Guardbanding With Confidence - Fluke Corporation

confidence intervals from ±1σ to ±3σ. † K TUR =−1 1 When the TUR is less than 4:1, this strategy subtracts the uncertainty of the UUT from the specification limit to obtain the test limit. For instance, if the specification of a unit to

http://assets.fluke.com/appnotes/Calibration/ddncsl94.pdf

Date added: May 26, 2012 - Views: 4

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9.2 Confidence Intervals about a Population Mean, σ Unknown

9.2 Confidence Intervals about a Population Mean, σ Unknown 1. If X is a normally distributed variable with mean µ and standard deviation σ

http://facstaff.gpc.edu/~jcraig/statistics/9s2_confidence_int_sigma_unknow.pdf

Date added: October 8, 2012 - Views: 3

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How Smart is my Dummy? Time Series Tests for the Influence of ...

dummies are insignificant and the alternative is that politics “matters”. ... confidence intervals for the break dates are provided. The derivations of these values are explained in BP(2000, pp.11-13) and rest upon the use of a novel asymptotic framework

http://faculty-staff.ou.edu/G/Kevin.B.Grier-1/smartdum.pdf

Date added: April 24, 2012 - Views: 6

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Version 4.0 Statistics Guide - GraphPad Software

9 The relationship between P values and confidence intervals is easier to understand with two-tail P values. 9 Some tests compare three or more groups, which makes the concept of tails inappropriate (more precisely, the P values have many tails).

http://www.graphpad.com/manuals/Prism4/StatisticsGuide.pdf

Date added: November 26, 2011 - Views: 206

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Learn

Dummies, Probability For Dummies, and Statistics Workbook For Dummies. Her passions, besides teaching, ... Chapter 7 deals with confidence intervals, used when you want to make estimates involving one or two population means or proportions using a sample of data.

http://vacutron.com/statistic_pour_honey/Statistics%20Essentials%20Dummies.pdf

Date added: March 12, 2013 - Views: 110

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Regression — Dummy variables - University at Albany, SUNY

Note that any of the dummies having the value one implies the others have the value zero. The dummy ... Obtaining confidence intervals for the regression mean for particular values of the independent variables

http://www.albany.edu/~po467/EPI553/Fall_2006/dummy_variables.pdf

Date added: July 25, 2013 - Views: 3

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Intertemporal Choice and Inequality A. Deaton and C. Paxson ...

Regression of Var(log(consumption)) on age dummies, cohort dummies and quarter dummies Age effect: coefficient estimates for age dummies Confidence intervals calculated using standard error estimates corrected for heteroskedasticity.

http://www.econ.yale.edu/~cru2/econ731_files/0418-SW.pdf

Date added: September 1, 2013 - Views: 1

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Deborah J. Rumsey, PhD - Dandelon.com

Statistics For Dummies, 2nd Edition Getting with the Jargon 195 Interpreting Results with Confidence 196 Zooming In on Width 197 Choosing a Confidence Level 198

http://www.dandelon.com/servlet/download/attachments/dandelon/ids/CH00180B8DCBCF8D60B51C1257A9F004D67EC.pdf

Date added: April 1, 2014 - Views: 1

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I agree that this is a fair OVERVIEW. But where the entire ...

Statistics For Dummies, Deborah J. Rumsey, John Wiley & Sons, 2011, 1118012062, 9781118012062, 384 pages. ... guesstimate with confidence using confidence intervals, set up and carry out a hypothesis test, compute statistical formulas, ...

http://severcov.com/v4/4634.pdf

Date added: April 15, 2014 - Views: 2

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Intermediate Statistics - World Tracker | World Tracker ...

Dummies (or your introductory statistics course) leaves off, and keeps you ... over confidence intervals and hypothesis tests for one and two population means and one and two population proportions. Your instructor hopefully

http://worldtracker.org/media/library/How-To/For%20Dummies%20eBook%20Collection/Intermediate%20Statistics%20for%20DUMmIES.pdf

Date added: July 31, 2013 - Views: 2

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Globalisation or Regionalisation? A New Approach to Measure ...

95 percent confidence intervals ofyear dummies. The observations (6,351) are weighted by final output. 0.02.04.06.08 1995 1997 1999 2001 2003 2005 2007 2009 2011 year ub2/lb2 beta. Global or regionalfragmentation?

http://www.rug.nl/research/ggdc/workshops/eframe/slides/session7_devries.pdf

Date added: December 13, 2013 - Views: 2

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Application of Simple Random Sampling (SRS) in eDiscovery

5 “Sampling for Dummies: Applying Measurement Techniques in eDiscovery” Webinar by M. Grossman and G. Cormack 01/27/2011 . ... Sample sizes, confidence levels and confidence intervals were calculated using the sample size calculator found at:

http://www.umiacs.umd.edu/~oard/desi4/papers/stewart2.pdf

Date added: October 8, 2012 - Views: 13

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Epidemiology for Dummies

P-values and Confidence Intervals (CI) Frequency Distribution N=75 patients per group. ... to our “confidence” in this data Interpretation: 95% of sample CIs ... Epidemiology for Dummies Author:

http://www.icapediatrics.com/files/research_81-108.pdf

Date added: November 27, 2013 - Views: 3

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Reference Manual for Statistical Software: A gentle overview ...

Concept 6 – Confidence Intervals 318 Minitab Lagniappe 323 7. SAS ... “Statistical Computing for Dummies”. It is not our intention to use this manual to teach statistical

http://science.kennesaw.edu/~jpriestl/STAT3010/Reference%20Manual%20for%20Statistical%20Software.pdf

Date added: October 23, 2011 - Views: 29

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GraphPad Prism Statistics Guide - Home - graphpad.com

Confidence intervals can be computed for any desired degree of confidence. People are often surprised to learn that 99% confidence intervals are wider than 95% intervals, and 90% intervals are narrower. But this makes perfect sense.

http://www.graphpad.com/downloads/docs/Prism5Stats.pdf

Date added: October 21, 2011 - Views: 73

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The Basic Practice of Statistics

Confidence intervals for the regression slope 594 Inference about prediction 596 Checking the conditions for inference 600 CHAPTER 25 One-Way Analysis of Variance: Comparing Several Means 620 Comparing several means 622 The analysis of variance F test 623

http://virtual.yosemite.cc.ca.us/jcurl/Math134%204%20PDF%20Files/TOC.pdf

Date added: December 12, 2011 - Views: 965

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SAS and STATA Software Tutorial - University of Georgia

Creating dummies Dummy variables are commonly used to specify qualitative characteristics of some variables such as gender, race, and geographical location. ... diagnostics, hypothesis testing, confidence intervals, etc. a. Linear regression

http://georgiastats.uga.edu/c4610/stata_sas_guide.pdf

Date added: August 15, 2013 - Views: 54

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Statistics for Dummies

Statistics for Dummies Rumsey, Deborah J. PhD ISBN-13: 9780470911082 Table of Contents ... Guesstimating and Hypothesizing with Confidence. Chapter 12: Leaving Room for a Margin of Error. Chapter 13: Confi dence Intervals: Making Your Best Guesstimate. Chapter 14: Claims, Tests, and Conclusions.

http://media.matthewsbooks.com.s3.amazonaws.com/documents/tocwork/047/9780470911082.pdf

Date added: June 30, 2014 - Views: 1

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Post Hoc Tests in ANOVA - University of Oregon

Confidence Interval Experience Lower Bound Upper Bound A lot 2.100 .312 1.464 2.736 Fair Amount 2.700 .312 2.064 3.336 Some 3.600 .312 2.964 4.236 Little to none 4.300 .312 3.664 4.936 The table we will construct is a table showing the obtained means on the rows and columns and

http://pages.uoregon.edu/stevensj/posthoc.pdf

Date added: November 19, 2011 - Views: 195

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Bootstrapping Made Easy: A Stata ADO File - York University

a list of provincial dummies, education dummies, age, and gender using the National Population Health Survey (NPHS) Cycle 43; they want to save the bootstrap output table as a data file in ... * The confidence intervals below are based on the bootstrapped distribution

http://www.yorku.ca/nbuckley/papers/Bootstrapping_for_Regressions_in_Stata_031017.pdf

Date added: February 10, 2012 - Views: 40

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PRACTICE PROBLEMS FOR BIOSTATISTICS

SAMPLING DISTRIBUTIONS, CONFIDENCE INTERVALS Investigator A takes a random sample of 100 men age 18-24 in a community. Investigator B takes a random sample of 1,000 such men. a. Which investigator will tend to get a bigger standard deviation (SD) for the ...

http://www.biostat.jhsph.edu/~iruczins/teaching/practice/eg.pdf

Date added: December 12, 2011 - Views: 64

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Appendix B. Summary of survey data

confidence intervals the following methodology was employed. First, the sample means were ... Then the responses to the question were regressed on controls and regional and agency dummies. The estimated coefficients at those dummies and

http://www.cefir.org/download.php?id=2378

Date added: January 14, 2014 - Views: 1

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AN INTRODUCTION TO STATISTICS - Seventh-day Adventist Church

More practice can be found in “Statistics Workbook for Dummies”, chapter 6 questions, p83. An Introduction to Statistics, Luttrell, ... Note: Confidence intervals do not mean that the population mean falls within the given interval, ...

http://circle.adventist.org/files/download/IntroStatistics.pdf

Date added: October 28, 2012 - Views: 45

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Stata Tutorial 11 - Brown University

constructs tests and confidence intervals for the mean of a population or for the difference between two means. This command is used two different ways in the program. The first use is ttest testscr=0. This command computes the sample mean and standard

http://www.econ.brown.edu/fac/Frank_Kleibergen/ec163/stata_tutorial.pdf

Date added: October 14, 2011 - Views: 458

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David Newhouse Daniel Suryadarma - World Bank Group

Overall, no evidence of wage effect. Confidence intervals: ... Key term is interactions of school type and year dummies ...

http://siteresources.worldbank.org/INTLM/Resources/390041-1141141801867/Newhouse_VET-Indonesia-PPT.pdf

Date added: October 29, 2013 - Views: 2

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A Minimum of Rivalry: Evidence from Transition Economies on ...

2 The vertical lines are 95% confidence intervals from a simple least squares regression of log sales growth on three category dummies (monopolist, 1-3 competitors, >3 competitors) and no constant. 3 competition on managerial and work-force motivation, and its effects on the resources

http://deepblue.lib.umich.edu/bitstream/handle/2027.42/40056/wp670.pdf?sequence=3

Date added: November 28, 2013 - Views: 2

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846 THE AMERICAn ECOnOMIC REVIEW JunE 2009

... and dummies indicating single-parent households, childless-couple households, and households residing in Quebec. Second, we esti- ... plus confidence intervals (shown Figure 2. Estimated Food-Out Shares 0.050 0.100 0.150 8.2 8.6 9 9.4 9.8 10.2 Log-real-expenditure Shar e Exact

http://www.stata.com/meeting/chicago11/materials/lewbelpendakur09_20.pdf

Date added: July 25, 2013 - Views: 2

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Quantitative Trait Locus (QTL) Mapping - Carnegie Mellon ...

• Form confidence intervals for the QTL location • Estimate QTL effects QTL mapping (BC) 5 QTL mapping (F2) Models: Recombination We assume no chromatid or crossover interference. ⇒ points of exchange (crossovers) along chromosomes are distributed as a Poisson

http://www.cs.cmu.edu/%7Eepxing/Class/10810-05/Lecture9.pdf

Date added: October 28, 2011 - Views: 23

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Minitab Reference Manual - Kennesaw State University College ...

“Statistical Computing for Dummies”. It is not our intention to use this manual to teach statistical concepts1 ... Generating confidence intervals in Minitab is very easy. For example, if we wish to compute a 95% confidence interval for

http://science.kennesaw.edu/~jpriestl/STAT3010/Minitab%20Manual.pdf

Date added: September 29, 2013 - Views: 18

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DO RESOURCES FLOW TO PATENTING FIRMS? CROSS-COUNTRY EVIDENCE ...

Bars report 10% confidence intervals. ijct ct i jct ijct ijct ijct ijct ct ijct ct PatS GDP y PatS PatS Policy PatS Out FDI T K P H E J M * * * _ ... dummies (C); firm fixed effects; sector, country and year fixed effects; ...

http://www.oecd.org/site/stipatents/PSDM2013_2_2_Criscuolo.pdf

Date added: January 14, 2014 - Views: 1

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Statistical Methods in the Social Sciences - Catherine de Vries

Week 3: Confidence Intervals and Hypothesis Testing This lecture covers accuracy of estimates. The first part of the lecture covers standard errors; confidence intervals for means; confidence

http://catherinedevries.eu/stats/outline.pdf

Date added: November 25, 2013 - Views: 1

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THE HGSA CURRICULUM IN MOLECULAR GENETICS

binomial theorem, confidence intervals) Dummies. Wiley Not assessed at Fellowship level Not assessed at Fellowship level Genome and Genetic Structures Not assessed at Fellowship level Nucleic acid structure, DNA replication, mitosis Strachan & Read pp 3-17

http://www.hgsa.org.au/documents/item/62

Date added: May 28, 2013 - Views: 3

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Chapter 1 Touring the Wonderful World of SAS

to actually find relevant confidence intervals around the aggregations you request. The Secret Sauce: Analytics to Optimize the Present and Predict the Future If you were familiar with SAS before you started reading this chapter, you

http://www.sas.com/storefront/aux/en/spdummies/62824_excerpt.pdf

Date added: April 9, 2014 - Views: 2

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Improving the Repeatability And Reproducibility of Belt Fit ...

Straightforward statistical methods involving confidence intervals are recommended for establishing objective test methods. ... Hybrid III dummies. In another study, the torso and lap belt scores obtained by this method were found to be closely related to the belt fit obtained by

http://www.nhtsa.gov/DOT/NHTSA/NVS/Crashworthiness/Child%20Safety%20Crashworthiness%20Research/811857.pdf

Date added: December 13, 2013 - Views: 2

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SOA 2012 Annual Meeting & Exhibit October 14-17, 2012 ...

Statistics for Dummies, Deborah Rumsey “…probability and statistics fit together like aprobability and statistics fit together like a ... One helpful rearrangemen t: Confidence Intervals Incorrect to say that t here is 95% probability of

http://www.soa.org/Files/Pd/Annual-Mtg/2012-washington-annual-mtg-108.pdf

Date added: December 10, 2012 - Views: 6

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th - United Nations Economic Commission for Europe

to the WorldSID dummies, this is having an impact on the production of the iliac wings and skull. ... provided with 95% confidence intervals; the process for building these intervals is being evaluated.

http://www.unece.org/fileadmin/DAM/trans/doc/2011/wp29grsp/WS-05-15e.pdf

Date added: August 20, 2013 - Views: 1

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Econometric Methods Syllabus S13 - cMaxxSports

Working with Dummies (dummy variables): More S&P debt ratings + others 5. ... t tests and p values; confidence intervals; hypothesis tests; F-tests; economic v. statistical significance (elasticities) Part D: SLR and MLR Analysis – Further Issues 6.

http://www.cmaxxsports.com/Courses/Econometric%20Methods%20Syllabus%20S13.pdf

Date added: July 4, 2013 - Views: 2

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Replication Analysis in Exploratory Factor Analysis: What it ...

confidence intervals for point estimates). But EFA seems particularly problematic in this area. To underscore this point, we will remind readers of two previously-published findings (Costello & Osborne, 2005; Osborne, et al., 2008).

http://pareonline.net/pdf/v17n15.pdf

Date added: June 11, 2013 - Views: 7

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Measuring the NAIRU with Reduced Uncertainty: A Multiple ...

1 If tight confidence intervals alone were a sufficient criterion, then further research to identify the NAIRU ... (1990) to construct the dummies for Nixon era price control and King and Watson (1994) construct the supply shocks. The procedures are also mentioned in SSW (1997a). 7.

http://www.csss.washington.edu/Papers/wp61.pdf

Date added: December 10, 2012 - Views: 5

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Hypothesis (P-value) Tests (Statistics II Review of 8.2+ page ...

Ref: Stat Essen for Dummies and Cartoon Guide to Stats 1993 Hypothesis testing is a statistician's way of trying to confirm or deny a claim about a population using data from a sample. For ... Note: All Confidence Intervals are 2-tail

http://rmower.com/statistics/stat_lecture/131_hypothesis_review_for_statII.pdf

Date added: July 3, 2012 - Views: 6

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Linear Mixed Models - The Comprehensive R Archive Network

Linear Mixed Models Appendix to An R and S-PLUS Companion to Applied Regression John Fox May 2002 1 Introduction Thenormallinearmodel(described,forexample,inChapter4ofthetext),

http://cran.r-project.org/doc/contrib/Fox-Companion/appendix-mixed-models.pdf

Date added: October 22, 2011 - Views: 26

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Effect of bottles, cups, and dummies on breast feeding in ...

Effect of bottles, cups, and dummies on breast feeding in preterm infants: a randomised controlled trial Carmel T Collins, Philip Ryan, Caroline A Crowther, Andrew J McPhee, ... confidence intervals. The number needed to treat and 95% con-

http://www.bmj.com/highwire/filestream/376818/field_highwire_article_pdf/0/193

Date added: February 12, 2014 - Views: 2