Question 1
Classify the data into groups by making 7 number if classes. Also calculate the frequency relative frequency class mark for each class
100, 89, 70, 44, 60, 75, 80, 77, 44, 40, 57, 65, 58, 90, 85,
61, 49, 76, 93, 52, 87, 43, 51, 73, 82, 69, 71, 41, 91, 47
Question 2 Marks=10
Calculate Mean deviation about mean and co-efficient of
mean deviation for the following salaries.
Rs. 1030, Rs. 500, Rs. 680, Rs. 1100, Rs. 1080, Rs. 1740, Rs.
1050, Rs. 1000, Rs. 2000, Rs. 2250, Rs. 3500 and Rs. 1030
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