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13 votes
The following data set is given: 122, 130, 145, 154, 165, 178

Adding which number to the set will increase its mean?
140
A)
B)
C)
D)
148
149
150

1 Answer

5 votes

Answer:

150

Explanation:

Mean is average, so adding any number above the original mean would increase the mean.

User Oleg Alexander
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