Mathematics, 06.09.2019 19:30, porkchop8607

Set x consists of 100 numbers. the average (arithmetic mean) of set x is 10, and the standard deviation is 4.6. which of the following two numbers, when added to set x, will decrease the set’s standard deviation by the greatest amount?
a. -100 and -100
b. -10 and -10
c. 0 and 0
d. 0 and 20
e. 10 and 10

Answers: 2

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Set x consists of 100 numbers. the average (arithmetic mean) of set x is 10, and the standard deviat...