13 The largest value in a set of data is 240 and the lowest

______ 13. The largest value in a set of data is 240, and the lowest value is 100. If the resulting frequency distribution is to have seven classes of equal width, what will be the class width?

a. 12                b. 7                  c. 5                  d. 20

Solution

d. 20 as the reason 20*7 = 140 , the diffrence b/w the largest to smallest is 140