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
Correct Answer:
Verified
Q5: Student's t test for correlated groups is
Q6: Which of the following is (are) major
Q7: One employs a correlated groups design _.
A)
Q8: In an experiment using the independent groups
Q9: In employing a correlated groups design, one
Q11: Student's t test for correlated groups really
Q12: In a t test for two independent
Q13: The power of the t test increases
Q14: The z test for independent groups is
Q15: A correlated groups design is more sensitive
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