T Test Formula For Two Samples. μ1 μ2 the two population means are equal h1. Where m a and m b represent the mean value of the group a and b respectively.
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T m a m b s 2 n a s 2 n b. T test statistisc value can be calculated as follow. T m s n.
In case statistics of two samples are to be compared then a two sample t test is to be used and its formula is expressed using respective sample means sample standard deviations and sample sizes.
The following two sample t test was generated for the auto83b dat data set. We will perform the two sample t test with the following hypotheses. μ1 μ2 the two population means are not equal. T m s n.
