Solved: Independent and Dependent Samples Which of the

Chapter 9, Problem 1

(choose chapter or problem)

Independent and Dependent Samples Which of the following involve independentsamples?a. To test the effectiveness of the Atkins diet, 36 randomly selected subjects are weighedbefore the diet and six months after treatment with the diet. The two samples consist of thebefore/after weights.b. To determine whether smoking affects memory, 50 randomly selected smokers are given atest of word recall and 50 randomly selected nonsmokers are given the same test. Sample dataconsist of the scores from the two groups.c. IQ scores are obtained from a random sample of 75 wives and IQ scores are obtained fromtheir husbands.d. Annual incomes are obtained from a random sample of 1200 residents of Alaska and fromanother random sample of 1200 residents of Hawaii.e. Scores from a standard test of mathematical reasoning are obtained from a random sampleof statistics students and another random sample of sociology students.