The manufacturing company in Problem 2.20 also produces electric insulators. If the insulators break when in use,

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The manufacturing company in Problem 2.20 also produces electric insulators. If the insulators break when in use, a short circuit is likely to occur. To test the strength of the insulators, destructive testing in high-powered labs is carried out to determine how much force is required to break the insulators. Force is measured by observing how many pounds must be applied to the insulator before it breaks. Force measurements are collected from a sample of 30 insulators and stored in Force and shown here:
The manufacturing company in Problem 2.20 also produces electric insulators.

a. Construct a frequency distribution and a percentage distribution.
b.
Construct a cumulative percentage distribution.
c.
What can you conclude about the strength of the insulators if the company requires a force measurement of at least 1,500 pounds before the insulator breaks?

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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Basic Business Statistics Concepts And Applications

ISBN: 9780132168380

12th Edition

Authors: Mark L. Berenson, David M. Levine, Timothy C. Krehbiel

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