Find the mean of:
1.8, 1.7, 1.3, 1.1, 1.2, 1.6, 1.8
Answer options with 5 options
A.
1.6
B.
1.4
C.
1.8
D.
1.1
E.
1.5
To find the mean, add up all the numbers and divide by the total number of values.
1.8 + 1.7 + 1.3 + 1.1 + 1.2 + 1.6 + 1.8 = 10.5
There are 7 values, so divide 10.5 by 7:
10.5 / 7 = 1.5
Thus, the mean is 1.5.
Answer: E. 1.5