Use the data 2, 3, 3, 6, 6, 7. Add 3 to each of the numbers. How does this affect the mean? How does this affect the standard deviation? Choose the correct answer below. O A. Both of the mean and the standard deviation will be increased. O B. The standard deviation will be increased by 3, and the mean will remain the same. O C. Both of the mean and the standard deviation will remain the same. O D. The mean will be increased by 3, and the standard deviation will remain the same.

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