Question

a. type the deviation from the mean for each of the data items.
(simplify your answers.)
18
-54
30
-42
42
-30
72
0
108
36
162
90
b. the sum of the deviations in part (a) is
(simplify your answer.)

Explanation:

Step1: Identify the deviations

The deviations from part (a) are: -54, -42, -30, 0, 36, 90.

Step2: Sum the deviations

To find the sum, we add all these values together:

$$
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$$

Answer:

0