Chapter 11: Inferences on Two Samples

Question 1

dependent samples

Answer 1

if you can pair up the individuals in one sample with the other

Question 2

Criteria for a hypothesis test on two population means with dependent samples

Answer 2

needs to be normally distributed, or, n ≥ 30 and 20n ≤ N

Question 3

independent samples

Answer 3

if you can’t pair up the individuals in one sample with those in the other sample

Question 4

Criteria for a hypothesis test on two population means with dependent samples

Answer 4

both population sample sizes n_1 and n_2 ≥ 30 and 20n_1 ≤ N and 20n_2 ≤ N OR original population needs to be normally distributed