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CBSE Class 11-science Answered

Find the co efficient of variation of 24,26,33,37,29,31
Asked by akileshpro37 | 18 Dec, 2022, 08:37: PM
answered-by-expert Expert Answer

x

d = x – mean

d2

24

–6

36

26

–4

16

33

3

9

37

7

49

29

–1

1

31

1

1

 Sum x = 180

Sum d = 0 

112
 
straight x with bar on top equals fraction numerator begin display style sum for blank of end style straight x over denominator straight n end fraction equals 30 straight sigma equals square root of fraction numerator begin display style sum for blank of end style straight d squared over denominator straight n end fraction end root equals square root of 112 over 6 end root equals 4.32 Coefficient space of space variation space equals space straight sigma over straight x cross times 100 percent sign equals fraction numerator 4.32 over denominator 30 end fraction cross times 100 percent sign equals 14.4 percent sign
Answered by Renu Varma | 22 Dec, 2022, 02:32: PM
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CBSE 11-science - Maths
Find the co efficient of variation of 24,26,33,37,29,31
Asked by akileshpro37 | 18 Dec, 2022, 08:37: PM
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CBSE 11-science - Maths
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