A data set has a mean of 10 and standard deviation of 3. If 4 is subtracted from to twice each data value, the new set has a. a mean of 20 and a standard deviation of -1 b. a mean of 20 and a standard deviation of 3 c. a mean of 16 and a standard deviation of 6 d. a mean of 16 and a standard (…)
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