Asked by Janessa

Find the mean of the following data set:

25, 30, 20, 20, 25, 35, 35, 10


a. 15
b. 20
c. 25
d. 30


My Answer:

b. 20
Answered by Writeacher
http://www.mathsisfun.com/mean.html

Did you add them up and divide by 8?
Answered by Janessa
YES SO THE ANSWER IS 30
Answered by Writeacher
25 + 25 = 50
35 + 35 = 70
30 + 20 + 20 + 10 = 80

50 + 70 + 80 = ??

Divide that number by 8.
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