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InterviewSolution
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The standard deviation of first 10 natural numbers is A. 5.5 B. 3.87 C. 2.97 D. 2.87 |
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Answer» First 10 natural numbers are 1,2,3,4,5,6,7,8,9,10 So, N =10
Variance = \(\Big(\frac{\Sigma x^2_i}{N} - \Big(\frac{\Sigma x_i}{N}\Big)^2\Big)\) \(\sigma =\sqrt{\Big(\frac{385}{10} - \Big(\frac{55}{10}\Big)^2\Big)}\) \(\sigma = \sqrt{38.5-30.25}\) \(\sigma = \sqrt{8.25}\) Hence, SD is 2.87 |
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