Question

A set of data contains 53 observations. The lowest value is 42 and the largest is 129. The data are to be organized into a frequency distribution.
(a) How many classes would you suggest?
(b) What would you suggest as the lower limit of the first class? (Round your answer to the nearest whole number.)

Answer 1

Answer:

53

Step-by-step explanation:

Answer: (a) Let, k is the number of classes and n is the number of observation.

So we select the class intervals such that for the smallest value of k, 2^k > n is satisfied.

Given, n = 53