Question
The mean and standard deviation of five observations and are 10 and 3 respectively, then variance of the observation is equal to (a) 437.5 (b) 507.5 (c) 537.5 (d) 487.5
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Question Text | The mean and standard deviation of five observations and are 10 and 3 respectively, then variance of the observation is equal to (a) 437.5 (b) 507.5 (c) 537.5 (d) 487.5 |