Question

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Find the mean of the data set: 573, 569, 566, 561, 566, 566, 568.
a. 566
b. 567
c. 561
d. 573

Answer 1

Answer: B is definitely the correct answer because you add up all the numbers then just divide.

Explanation:

Answer 2

b. 567

Explanation:

All you have to do is add the whole set, then divide by how many numbers it is.

573+569+566+561+566+566+568= 3969

3969/7= 567

There is 7 numbers in the set, so you add the numbers then divide by 7.