HypothesisTesting

HypothesisTesting - > # (used in notes for one...

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Hypothesis Testing for one sample using t-distribution. Data is the car speed data used in the teaching notes (data set on course web site) Hypothesis Testing using MINITAB MTB > Onet 'speed'; SUBC> Test 30; SUBC> Alternative 1. One-Sample T: speed Test of mu = 30 vs > 30 95% Lower Variable N Mean StDev SE Mean Bound T P speed 23 31.043 4.248 0.886 29.523 1.18 0.126 Hypothesis Testing using R > # Analyse the car speed data
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Unformatted text preview: > # (used in notes for one sample hypothesis testing) > > # Clear the workspace > rm(list=ls()) > > # enter the data > X=read.table("Ch23_Triphammer_Speeds.txt", header=T) > speed=X$speed > > # Hypothesis test for Ha: mu > 30 > t.test(speed, alternative="greater", mu=30) One Sample t-test data: speed t = 1.1781, df = 22, p-value = 0.1257 alternative hypothesis: true mean is greater than 30 95 percent confidence interval: 29.52257 Inf sample estimates: mean of x 31.04348...
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This note was uploaded on 03/27/2012 for the course ECON 2280 taught by Professor Daniel during the Spring '12 term at Dalhousie.

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HypothesisTesting - > # (used in notes for one...

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