Introduction to statistics
The standard deviation of a data is 6, when each observation is increased by 1, then the S.D. of the new data is
We know that X and Y are two variables such that Y = X + b, where b is a constant.
Then,
Thus, the standard deviation of the new data is also 6
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For (2n + 1) observations , and 0, where all x's are distinct, let SD and MD denote the standard deviation and median, respectively. Then which of the following is always true?
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