Question

find a. the mean, b. the deviation from the mean for each data item, and c. the sum of the deviations in part (b) for the following group of data items. 139, 143, 149, 151, 153 a. the mean is 147. (simplify your answer.) b. complete the following table by entering the deviations for each data value. c. the sum of the deviations is (simplify your answer.)

Explanation:

Step1: Calculate the sum of deviations

$$\begin{align*} &(-8)+(-4)+2 + 4+6\\ =&(-8 - 4)+(2 + 4+6)\\ =&-12 + 12 \end{align*}$$

Answer:

\(0\)