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Let bar x be the mean of x1, x2, x3, ....., xn. If xi = a + cyi for some constants a and c,

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Let bar x be the mean of  x1, x2, x3, ....., xn. If xi = a + cyi for some constants a and c, then wht will be the mean of  y1, y2, y3, ....., yn?

a. a + c bar x

b. a - (1/e) bar x

c. (1/e) bar x - a

d. (bar x - a)/c

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1 Answer

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Best answer

Correct option d. (bar x - a)/c

Explanation:

Mean of xi = bar x

Mean of a + cyi = bar x

Mean of cyi = bar x - a

Mean of yi = (bar x - a)/c

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