CBSE Class 11-science Answered
Find the co efficient of variation of 24,26,33,37,29,31
Asked by akileshpro37 | 18 Dec, 2022, 20:37: PM
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](https://images.topperlearning.com/topper/tinymce/cache/a245cebb093bcbe71b7e763153ce1112.png)
Answered by Renu Varma | 22 Dec, 2022, 14:32: PM
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Asked by akileshpro37 | 18 Dec, 2022, 20:37: PM
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