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# 1) Suppose we have a data set with a mean of 4 and variance of 64. if we add 2 to every observation, then the coefficient of variation will:

1) Suppose we have a data set with a mean of 4 and variance of 64. if we add 2 to every observation, then the coefficient of variation will: a) increase b) decrease c) Stay the same d)none

2) The sum of 5 observations is 10, the variance of these 5 observations is 36, which of the following is true: a) The standard deviation is 9 b) The mean is 2.5 c) The coefficent of variation is 3. d) None of the above

B. Decrease C. The... View the full answer

1) b) Decrease 2) c) The... View the full answer

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