Question: Dr. Martin is evaluating a new drug to increase hemoglobin levels in anemic patients. He performs an experiment in which he measures hemoglobin levels before and after

administration of the drug. The descriptive statistics and a statistical test for an effect of the
drug are:

a. What type of T test is this?

b. What assumptions should Dr. Martin have evaluated? Where any of them met?

c. What are the null and the alternate hypotheses (2 tailed) in your own words?

d. Interpret the results in terms of the hypotheses in your own words. Does Dr Martin have reason to be optimistic about the new medication? Note: the data is calculated as pre value – post value.

e. What, in your own words, would happen if Dr. Martin made a type 1 error.

A type II error?

Which type of error could have occurred here?