Management is concerned that workers create more product defects at the very beginning and end of a work shift than at other times of their eight-hour workday. Construct a scatter diagram with the following data collected last week
Is management justified in its belief?
Number of Defects
Monday Tuesday Wednesday Thursday Friday
First hour at work 12 9 6 8 7
Second hour at work 6 5 3 4 5
Third hour at work 5 2 4 3 3
Fourth hour at work 4 0 5 2 3
Fifth hour at work 1 6 2 4 5
Sixth hour at work 4 3 3 2 1
Seventh hour at work 7 4 4 6 3
Eighth hour at work 5 7 8 5 9
Solution:
There is fairly convincing evidence that there are more defects in the first and last shift hours than at other times.
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a. True b. False Indicate whether the statement is true or false
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What will be an ideal response?
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