Question: Consider the list {1, 3, 4, 5, 7}. Its average is 4 and SD is 2. (See slides #25-29 of this week's lecture notes if

Consider the list {1, 3, 4, 5, 7}. Its average is 4 and SD is 2. (See slides #25-29 of this week's lecture notes if you have trouble with this problem.)

Take the list and add 4 to each number to get the list {5, 7, 8, 9, 11}. The SD of this new list is . This answer is a simple calculation.

Take the list and multiply each number by 5 then add 4 to get the list {9, 19, 24, 29, 39}. The average of this new list is and the SD is

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