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Which two-sample test requires population distributionswith the same shape?Non-pooled tPooled-tPaired-tMann-Whitney...

Question

Which two-sample test requires population distributionswith the same shape?Non-pooled tPooled-tPaired-tMann-Whitney

Which two-sample test requires population distributions with the same shape? Non-pooled t Pooled-t Paired-t Mann-Whitney



Answers

Which test would you use to decide if two populations have the same distribution?

All right, so we're getting a couple of graphs for 10.8. The two samples look like this for the first one, so definitely going to use a pooled cheese test, because these clearly have the same standard deviation part B. They use something like this, and then there's one that looks more like this, so definitely gonna use a non pooled test, since those deviations are going to be certainly different. And then for the other two were given these, uh sort of triangular looking ones like this kind of looks like shark fins, and that means that for the other two were not going to use either of those tests, we need to use something that will learn in the next section.

Talking one. The samples are window and independent. The population is standard. Deviation is unknown. The population are normally distributed or simple science. Fourth samples are more or equal to 30.

In 21. We want to know which to distributions. Can you use for hypothesis testing In this chapter? You could use either a normal distribution or you can use the students t distribution.

Okay, So we're asked that what contest would be using if the distributions or normal, this would indicate that we should use some sort of pulled T test. Mhm. And then if it weren't normal for part B, then we should opt for the Mann Whitney test.


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