Measures of central tendency and dispersion

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Reference no: EM1320316

If W denotes the total number of spaces one moves under these special conditions, find the mean and standard deviation of W.

a) Suppose X and Y are random variables with means 6 and 1, respectively. Let W = X - 2Y. Find the mean of W.

b) Suppose X and Y are independent, with standard deviations 3 and 1, respectively. Find the standard deviation of W.

c) Suppose Q = (X-6)/3. Find the mean and standard deviation of Q.

Reference no: EM1320316

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