Suppose you conducted a drug trial on a group of animals and

Suppose you conducted a drug trial on a group of animals and you hypothesized that the animals receiving the drug would survive better than those that did not receive the drug.

What type of study might you do?:

a. State your null and alternative hypothesis.

b. What statistical test might you perform?

c. What might you find out?

c. What might you find out? (4 point)

Solution

a.The null hypothesis is: H0:mu1=mu2

The alternative hypothesis is: H1:mu1 not equal to mu2

b.Two independent samples t test.

c.Reject the null hypothesis.