Posted by **Anonymous** on Saturday, October 6, 2012 at 11:52pm.

1. The exam scores for the students in an introductory statistics class are as follows.

88 63 90 64 82 98 96 75 89 86 76

84 70 67 34 89 85 39 81 96 92 85

a. Compute the mean and the median score.

b. Identify the shape of the distribution of score. Explain why.

c. Construct a frequency distribution using 6 classes of equal width.

d. Use midpoints of the classes to compute average score.