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QUESTION
A sample of 30 distance scores measured in yards has a mean of 7, a variance of 16, and a standard deviation of 4.
A sample of 30 distance scores measured in yards has a mean of 7, a variance of 16, and a standard deviation of 4. You want to convert all your distances from yards to feet, so you multiply each score in the sample by 3. What are the new mean, median, variance, and standard deviation?
