Mathematics, 12.02.2020 00:05 nyahdrake

The sample of eight companies in the aerospace industry, referred to in Exercise 36, was surveyed as to their return on investment last year. The results are: 10.6, 12.6, 14.8, 18.2, 12.0, 14.8, 12.2, and 15.6.

. Compute the sample variance.
. Determine the sample standard deviation.

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The sample of eight companies in the aerospace industry, referred to in Exercise 36, was surveyed as...