Answered You can hire a professional tutor to get the answer.
QUESTION
The z test for independent groups is seldom used because ________. it lacks sensitivity b. it is too complicated c. we seldom know the population...
The z test for independent groups is seldom used because ________.
a. it lacks sensitivity
b. it is too complicated
c. we seldom know the population variances
d. the sampling distribution of z under the H0 is unknown
