X=-3 A. 64 B. 8 C. 4 D. 16
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Adding the values and dividing by the number of values, it is found that the average diameter of these screws is of 0.1913''.
The mean of data-set is the <u>sum of all observations divided by the number of observations</u>.
In this problem:
- There are 3 observations.
- They are: 0.193", 0.192" and 0.189".
Hence, the average diameter is given by:
The average diameter of these screws is of 0.1913''.
A similar problem is given at brainly.com/question/13451786