Statistics, assumptions underlying the independent-measures t test
Assumptions underlying the rebellious-measures t ordeal
A confessor believes that students at her big university who practice daily act amend in statistics classes. Since all students at the university are required to charm Introduction to Statistics, she randomly selects 17 students who practice daily and 22 students who practice at most uniformly per week. She obtains their scores in the conclusive exam in Introduction to Statistics and finds that the students who did not practice daily primarily produced scores in the 90s, delay some scores in the 80s and a very few scores in the 7s and 60s. The Students who did excercies daily as-well had a big estimate of scores in the 90s and an approximately similar estimate in the 60s, delay very few scores in between.
Would it be cogent for the confessor to use the Independent-measure t ordeal to ordeal whether students’ at her big university who practice daily act amend in statistics classes?
Yes, owing none of the assumptions of the rebellious-measures are violated.
No, owing the two populations elaborate are not rebellious.
Yes, owing the two populations from which the samples are selectee enjoy similar variances.
No, owing the two population from which the samples are clarified do not answer to be normally reserved.