For Exercise 1.33, see page 24; for 1.34 and 1.35, see page 25; for 1.36 to 1.38, see page 26; for 1.39, see page 27; for 1.40 to 1.42, see pages 30-31; for 1.43, see page 32; and for 1.44 and 1.45, see page 33.

Question 1.44

1.44 Accounting exam scores.

Following are the scores on the first exam in an accounting course for 10 students. We found the mean of these scores in Exercise 1.34 (page 25) and the median in Exercise 1.36 (page 26).

70 83 94 85 75 98 93 55 80 90
  1. Make a stemplot of these data.
  2. Compute the standard deviation.
  3. Are the mean and the standard deviation effective in describing the distribution of these scores? Explain your answer.

acct