The number of defective microchips produced by machine # 6 during each of the last 24 hours
Question:
The number of defective microchips produced by machine # 6 during each of the last 24 hours of operation is shown in the frequency table below:
Defectives x No. of hours f(x)
0…………………………. 9
1………………………… 6
2………………………… 4
3………………………… 3
4………………………… 2
Total = 24
a. Compute the mean number of defectives per hour over the 24-hour period. (Treat the data as a population.)
b. What is the median number of defectives per hour?
c. Compute the variance and the standard deviation for the hourly defective counts.
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a 129 defectives b Median value halfway between the 12 th and 1...View the full answer
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Related Book For
Understanding Business Statistics
ISBN: 978-1118145258
1st edition
Authors: Stacey Jones, Tim Bergquist, Ned Freed
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