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## Statistics

The manufacturing company as well manufactures electric insulators. If insulators break when in use, a short circuit is likely to take place. To test the strength of insulators, destructive testing in high powered labs iscarried out to find out how much force is needed to break the insulators. Force is measured by observing how many pounds should be applied to insulator before it breaks. The strengths of 30 insulators are as follows:

 1870 1728 1656 1610 1634 1784 1522 1696 1592 1662 1866 1764 1734 1662 1734 1774 1550 1756 1762 1866 1820 1744 1788 1688 1810 1752 1680 1810 1652 1736

a. Develop a frequency distribution and percentage distribution.

b. Develop histogram and percentage polygon.

c. Plot cumulative percentage polygon.

d. What can you conclude about strength of insulators if the company needs a force measurement of at least 1500 pounds before breaking.

Statistics and Probability, Statistics

• Category:- Statistics and Probability
• Reference No.:- M918205

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