To determine if there was a statistically significant difference in the means of two independent groups,which statistical tool would one be most likely to employ to assess the significance of any observed difference?
A)paired samples t-test
B)chi-square test for independence
C)Levene's test for homogeneity of variances
D)independent samples t-test

Question

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The independent samples t-test is used to determine if there is a significant difference between the means of two independent groups. The paired samples t-test is used when the same individuals are measured twice (before and after an intervention, for example), and the chi-square test for independence is used to assess whether there is a relationship between two categorical variables. Levene's test for homogeneity of variances is used to assess whether the variances of two groups are equal, but it does not test for a difference in means.

To Determine If There Was a Statistically Significant Difference in the Means