Mathematics, 23.06.2020 19:01 emmie50
All eight companies in the aerospace industry were surveyed as to their return on investment last year. The results are (in percent) 10.6, 12.6, 14.8, 18.2, 12.0, 14.8, 12.2, and 15.6.
A. Calculate the variance.
B. Calculate the range.
C. Calculate the arithmetic mean.
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All eight companies in the aerospace industry were surveyed as to their return on investment last ye...
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