Question 1 The average age of online consumers a few years ago was…
Question Question 1 The average age of online consumers a few years ago was… Question 1 The average age of online consumers a few years ago was 23.3 years. As older individuals gain confidencewith the Internet, it is believed that the average age has increased. We would like to test this belief using arandom sample of 14 online consumers, and their ages (measured in years) are recorded as below: 19 46 26 25 18 64 1637 25 21 36 30 19 24 (a) Compute the sample mean and standard deviation. (b) At 5% level of significance, is the mean age of online consumers has been increased from 23.3? Conductthe hypothesis test using critical value approach. State the necessary assumption. (c) Determine the p‐value of part (b). Math Statistics and Probability STATISTICS 302 Share QuestionEmailCopy link Comments (0)
