Suppose thet in another research study, the researcher uses 30 namsters, and adm

Question

Suppose thet in another research study, the researcher uses 30 namsters, and administers intravenous glucose (10 mg/min)to all of them. At the end of 4 weeks, he records whether (a) the hamster reduced in weight form its initial weight, or (b) maintained its original weight, or (c) increased in weight from its initial weight. He is interested in seeing if the number of hamsters thet increase in weight is 4 times higher, compared with these thet maintain their initial weight, or these thet decrease in weight. Which test would he use? 4. Suppose thet, in the study design in #3, the researcher also records the gender of the hamster, and is interested in seeing whether there is a relationship between a hamster's gender and whether it maintained, reduced or increased its weight, which test would he use?

Explanation / Answer

Hi!

3.

It is best to make a comparison between the averages of two samples (with unknown but equal variances assumed). The specific test is the t-student test.

Four.

If you are going to also compare the different weights and that you add the variable "gender" is the most suitable Komolgorov-Smirnov test.

Regards!

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