Question 2 The following are the weights (in pounds) of 16 different chairs. 2,7,9,4,10,5,3,12,8,2,13,6,11,5,4,13 Determine: a. The range. b. The number of classes into which the data can be grouped. c. The class intervals for the data. (Let the lower boundary of your first interval start from 1.9). d. Determine the class frequencies. e. Draw the histogram of the data