A business statistics lecturer wanted to test whether the grades on a business statistics test were the same for upper and lower students.The lecturer took a random sample of size 10 from each,conducted a test and found out that the variances were equal.For this situation,the lecturer should use a t test with related samples.

Question

Quizplus · Accepted Answer

Since the sample sizes for upper and lower students are independent, a t test with independent samples should be used. It is also stated in the problem that the variances are equal, which further supports the use of a t test with independent samples.

A Business Statistics Lecturer Wanted to Test Whether the Grades