Which of the following is an assumption for computing any type of independent-sample t test?
A) Data in the population being sampled are normally distributed.
B) Data were obtained from a sample that was selected using a random sampling procedure.
C) The probabilities of each measured outcome in a study are independent.
D) All of these.

Question

Quizplus · Accepted Answer

All three assumptions (normality, random sampling, and independence of probabilities) are necessary for computing any type of independent-sample t test.

Which of the Following Is an Assumption for Computing Any