STA301 Assignment 1 Solution 2021 - Statistics and Probability Assignment

 

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STA301 Assignment 1 Solution Fall 2022

STA301 ASSIGNMENT 1 SOLUTION SPRING 2021

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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)	Mid Values(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:

2. Co-efficient of Mean Deviation from Mean:

                                                                     

              

          

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