Before performing the most appropriate test, what information do we need to know

Question

Before performing the most appropriate test, what information do we need to know about our sample (select all that apply)?

Whether the data are paired or from two separate samples

Whether the variances of the data are equal or unequal

Whether any of the expected cell values are less than 5

Whether the correlation between the variables is direct or indirect

All of the above

Whether the data are paired or from two separate samples

Whether the variances of the data are equal or unequal

Whether any of the expected cell values are less than 5

Whether the correlation between the variables is direct or indirect

All of the above

Explanation / Answer

Before performing the most appropriate test,we want to check the population variance are equal or not.If variance are equal we used pooled variance otherwise we used unpooled variance.so the option B is correct

Answer

B. whether the variances of the data are equal or unequal.

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