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# In a series of observations, half of them equal and remaining half equal . If the standard deviation of the observations is 2 , then equal to (a) (b) (c) 2 (d)

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Exp. (c) In the observations, half of them equal to and remaining half equal to . Then, the mean of total observations is equal to zero.
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 Question Text In a series of observations, half of them equal and remaining half equal . If the standard deviation of the observations is 2 , then equal to (a) (b) (c) 2 (d) Updated On Mar 22, 2023 Topic Statistics Subject Mathematics Class Class 11 Answer Type Text solution:1 Video solution: 1 Upvotes 145 Avg. Video Duration 5 min
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