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?
Solution
a) T test independent
b) Ho : miu drug > miu without drug
b)T distriution
c) T = ( xbar - miu) / sigma / srqt(n)
