Exercise 1. The data shows the marks given to a class of Nursing students in a test.
34, 12, 45, 23, 12, 18, 26, 41, 48, 23, 47, 11, 7, 15, 31, 28, 6, 43, 27, 38, 32, 21, 29,
45, 15, 9, 20, 37, 43, 27, 30, 17, 14, 26, 34, 24, 18, 16, 35, 32, 27, 14, 30, 22, 31, 40,
17, 24, 37, 13
A. Construct grouped frequency distribution
B. Find the rang, width , unit of measurement, class bounders,
class mark or mid point