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A manufacturing company produces electric insulators. If the insulators break when in​ use, a short circuit...

A manufacturing company 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 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 an insulator before it breaks. The accompanying data are collected from a sample of 30 insulators.

Compute the​ mean, median,​ range, and standard deviation for the force needed to break the insulators.

Force strength of insulators

1880 1727 1658 1614 1637 1780 1520 1696 1590 1664

1869 1766 1637 1664 1637 1777 1554 1755 1764 1869

1827 1743 1786 1685 1810 1750 1683 1810 1657 1740

mean = ____

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