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प्रश्न
The sum and sum of squares corresponding to length x (in cm) and weight y (in gm) of 50 plant products are given below:
`sum_(i-1)^50 x_i = 212, sum_(i=1)^50 x_i^2 = 902.8, sum_(i=1)^50 y_i = 261, sum_(i = 1)^50 y_i^2 = 1457.6`
Which is more varying, the length or weight?
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उत्तर
संबंधित प्रश्न
Find the mean and variance for the data.
6, 7, 10, 12, 13, 4, 8, 12
Find the mean and variance for the data.
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| No. of circles | 15 | 17 | 21 | 22 | 25 |
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|
Subject |
Mathematics |
Physics |
Chemistry |
|
Mean |
42 |
32 |
40.9 |
|
Standard deviation |
12 |
15 |
20 |
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| f : | 7 | 10 | 15 | 10 | 6 |
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| Frequency: | 2 | 3 | 8 | 12 | 16 | 5 | 2 | 3 |
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is
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