Question about Independent sample t test for mean
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In testing the equality of the two means below, what is the test statistic? (Use the unequal variances formula).
Sample 1 Sample 2
Sample size 9 12
Sample mean 80 115
Sample variance 550 100
A) -4.20 B) -2.31 C) -0.18 D) -0.50
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Solution Summary
The solution provides step by step method for the calculation of independent sample t test for mean under unequal variance assumption. Formula for the calculation and Interpretations of the results are also included.
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