Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.

QUESTION

If the two populations are not normally distributed , then the inference procedures for the difference between two means can still be valid ,...

Which of the following statements are true?

Note that there may be more than one correct answer; select all that are true.

If the two populations are not normally distributed , then the inference procedures for the difference between twomeans can still be valid , provided the sample sizes are large.The sampling distribution of* - *, is approximately normal , provided the independent sampling distributions of* , and * , are themselves approximately normal .The results obtained from the pooled - variance I procedure Versus the Welch procedure , when applied to the samedata set , will always be significantly different .One problem with taking observations on the same experimental unit , as in a paired difference test , is that it canincrease the variability in the experiment .The paired difference procedure is less susceptible to the populations being non - normal , since taking the difference*between two non - normal populations will result in a normal distribution .
Show more
LEARN MORE EFFECTIVELY AND GET BETTER GRADES!
Ask a Question