Two sample

Two sample Student’s t-test #2

July 25, 2009 | Todos Logos

Comparison of the averages of two independent groups, extracted from two populations at variance unknown; sample variances are not homogeneous.We want to compare the heights in inches of two groups of individuals. Here the measurements:A: 175, 168, 168...
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Two sample Student’s t-test #1

July 24, 2009 | Todos Logos

t-Test to compare the means of two groups under the assumption that both samples are random, independent, and come from normally distributed population with unknow but equal variancesHere I will use the same data just seen in a previous post. The data ...
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