Question 2

Question 1 Of 8 (1 point) | Question Attempt: 2 of Unlimited Many people believe that the average number of Facebook friends is 145. The population standard deviation is 37.5. A random sample of 31 high school students in a particular county revealed that the average number of Facebook friends was 167. At a=0.05, is there sufficient evidence to conclude that the mean number of friends is greater than 145? Part 1 of 5 State the hypotheses and identify the claim with the correct hypothesis. Ho: H = 145 not claim H: H > 145 claim This hypotheses test is a one-tailed V test. Part: 1 / 5 Part 2 of 5 Find the critical value(s). Round the answer to two decimal places. If there is more than one critical value, separate them with commas. Critical value(s): 0,0.... X Skip Part Check Save For Later Submit As