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# Q No.1) a) Construct the Histogram for the following frequency distribution relating to the ages of telephone operators. Age (Years) No. of Operators 10---15 15---20 20---25 25--30 30---35 10 15 22 17 8 b) Calculate (i) the arithmetic mean, (ii) the median and (ii) the mode for the following data. 35, 25, 28, 40, 30, 32, 12, 9, 16,

**Related Book For**

## Elementary Statistics Picturing the World

6th edition

Authors: Ron Larson, Betsy Farber

ISBN: 978-0321911216