19. In a small town, the earnings of profits and losses by different shops as given below. You find S.D. Frequency 4 10 22 28 38 56 40 24 18 10 Profit/Loss '-40 to -30 -30 to -20 -20 to -10 -10 to 0 0 to 10 10 to 20 20 to 30 30 to 40 40 to 50 50 to 60

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19. In a small town, the earnings of profits and losses by
different shops as given below. You find S.D.
Frequency
10
22
28
38
56
40
24
18
10
Profit/Loss
-40 to -30
-30 to -20
-20 to -10
-10 to 0
0 to 10
10to 20
20 to 30
40 to 50
50 to 60
Transcribed Image Text:19. In a small town, the earnings of profits and losses by different shops as given below. You find S.D. Frequency 10 22 28 38 56 40 24 18 10 Profit/Loss -40 to -30 -30 to -20 -20 to -10 -10 to 0 0 to 10 10to 20 20 to 30 40 to 50 50 to 60
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