# MTH302 Assignment 2 Solution 2021 - VU Answer

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MTH302 ASSIGNMENT 2 SOLUTION SPRING 2021

Question 1:

Classify the data into groups by making 7 number of classes. Also calculate the frequency, relative frequency and 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

Solution: Sr. no Class Frequency(f) Tally Relative Frequency Class Mark 1 38 – 46 5  = =0.167 2 47 – 55 4  =0.133 3 56 – 64 4  =0.133 4 65 – 73 5  =0.167 5 74 – 82 5  =0.167 78 6 83 – 91 5  =0.167 87 7 92 – 100 2  =0.133 96 Question 2:

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.

Solution:

Write in ascending order: 500, 680, 1000, 1030, 1030, 1050, 1080, 1100, 1740, 2000, 2250, 3500    500 500 – 1413.33 = - 913.33 913.33 680 680 – 1413.33 = -733.33 733.33 1000 1000 – 1413.33 = -413.33 413.33 1030 1030 – 1413.33 = - 383.33 383.33 1030 1030 – 1413.33 = - 383.33 383.33 1050 1050 – 1413.33 = - 363.33 363.33 1080 1080 – 1413.33 = -333.33 333.33 1100 1100 – 1413.33 = -313.33 313.33 1740 1740 – 1413.33 = 326.33 326.33 2000 2000 – 1413.33 =586.33 586.33 2250 2250 – 1413.33 = 836.33 836.33 3500 3500 – 1413.33 = 2086 2086 =7673.32

M.D from Mean= Coefficient of M.D= Make sure you can make some changes to your solution file before submitting copy-paste solution will be marked zero.

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