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Author Question: The number of hours a college student spent studying during the final exam week was recorded as ... (Read 129 times)

itsmyluck

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on: Aug 1, 2018
The number of hours a college student spent studying during the final exam week was recorded as follows: 7, 6, 4, 9, 8, 5, and 10 . Compute s2 and s for the data and express the numbers in the appropriate unit.

Question 2

In terms of random variation and assignable variation, what is meant by the statement, The process is in control?


underwood14

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Reply #1 on: Aug 1, 2018
Answer to Question 1

s2 = 4.667 (hours)2 and s = 2.160 hours

Answer to Question 2

The process is considered to be in control if the variation in the sample statistic is judged to be the result of random variation alone.


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