# STA301 Assignment 1 Solution 2021 - Statistics and Probability Assignment

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STA301 ASSIGNMENT 1 SOLUTION SPRING 2021

Question 01:

By using the following frequency distribution of weight distribution of 120 students at virtual university find.

1. Mean Deviation from Mean

2. Co-efficient of Mean Deviation from Mean

SOLUTION:

 Weights(kg) Lower class Upper class Frequncy    (f) MidValues(x) 45-49 45 49 1 47 47 -20.83 20.83 20.83 50-54 50 54 4 52 208 -15.83 15.83 63.32 55-59 55 59 17 57 969 -10.83 10.83 184.11 60-64 60 64 28 62 1736 -5.83 5.83 163.24 65-69 65 69 25 67 1675 -0.83 0.83 20.75 70-74 70 74 18 72 1296 4.17 4.17 75.06 75-79 75 79 13 77 1001 9.17 9.17 119.21 80-84 80 84 6 82 492 14.17 14.17 85.02 85-89 85 89 5 87 435 19.17 19.17 95.85 90-94 90 94 2 92 184 24.17 24.17 48.34 95-99 95 99 1 97 97 29.17 29.17 29.17 120 792 8140 =904.9

Mean:

1. Mean Deviation from Mean:

1. Co-efficient of Mean Deviation from Mean:

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