If the Homogeneity of Variance Assumption Is Violated in an Independent

question 142

Multiple Choice

If the homogeneity of variance assumption is violated in an independent groups t test, this means _________.

• A) the populations from which the samples were drawn have different standard deviations
• B) you should use the sign test
• C) the sample sizes should be equal and N greater than 30 to use the t test
• D) the populations from which the samples were drawn have different standard deviations and the sample sizes should be equal and N greater than 30 to use the t test
• E) all of these

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