Posts Tagged ‘ Alternative hypothesis ’

R Commander – hypothesis testing

June 16, 2010
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R Commander – hypothesis testing

The R Commander GUI can be used to perform classical hypothesis testing. There are menu options to undertake the variants on the t-test as well as tests on proportions or equality of variances for two samples of data. Fast Tube by Casper The “Statistics” menu provides access to various hypothesis tests via the “Means” sub-menu including: Single sample

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Paired Student’s t-test

July 26, 2009
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Paired Student’s t-test

Comparison of the means of two sets of paired samples, taken from two populations with unknown variance.A school athletics has taken a new instructor, and want to test the effectiveness of the new type of training proposed by comparing the average time...

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