Question

Question 21 4 pts A random sample of 100 students at a high school was asked whether they would ask their father or mother for help with a financial problem. A second sample of 100 different students was asked the same question regarding a dating problem. If 43 students in the first sample and 47 students in the second sample replied that they turned to their mother rather than their father for help, test the hypothesis of no difference in the proportions. Use a = 0.02. Identify the critical value(s). 2.33 2.05 +2.05 +2.33

Answer 1

Z test This proportion population det P. P2 be proportions is a two and for sampled and sample a. We want to test, to P = P2 Vs Hi: P. Z P2 This is two tailed test. : . Critical value = + Z za [{=0.02 + Z0.02 2 = I 20.01 + 2.33 from Z table)