Question: A researcher compares the mean difference between two groups with 15 students in each group and reports the following result for a two-independent sample t-test:

A researcher compares the mean difference between two groups with 15 students in each group and reports the following result for a two-independent sample t-test: t(29) = 3.52, p < .05 If this is a 2 tailed test at a .05 level of significance, then what must be incorrect with this result? a. the degrees of freedom

b. the value of the test statistic

c. the level of significance

d. the p value

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