Prediction intervals for y
Prediction intervals for Y are narrowest when
Answer
the mean of X differs greatly from the mean of Y.
the mean of X is small.
the value of X is near the mean of X.
the mean of X is near the mean of Y.
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Assume that the mean value of interpupillary distance (the distance between the pupils of the left and right eyes) for adult males is 65 mm and that the population standard deviation is 5 mm.
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