Respuesta :
The critical value for an independent-samples t-test is total degrees of freedom. Option C.
Each topic must belong to only one group. There is no relationship between observations in each group. There are no significant outliers in the two groups. The independent-sample t-test is appropriate when the researcher wants to know whether the means of her two population groups differ.
Independent samples t-test tells whether the organization has a statistical difference between her two sets of categories or items, and if there is a statistical difference, the difference is significant. when the observations in each group are independent of the observations in the other group increase.
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