Question

Find the mean deviation about the mean

Income
per day 0-100
100-200
200-300
300-400
400-500
500-600
600-700
700-800

Number of persons
7
10
3
4
8
9
5

I need steps
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Answer 1

Answer:

the mean deviation about the mean for the data:

Income per day Numbers of persons

0-100 4

100-200 8

200-300 9

300-400 10

400-500 7

500-600 5

600-700 4

700-800 3