8.12 The tar contents of 8 brands of cigarettes selected at random from the latest list released by the Federal Trade Commission are as follows: 7.3, 8.6, 10.4, 16.1, 12.2, 15.1, 14.5, and 9.3 milligrams. Calculate a) the mean b) the variance Round your answers to two decimal places

MATLAB: An Introduction with Applications
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8.12
The tar contents of 8 brands of cigarettes selected at random from the latest list released by the Federal Trade Commission are as follows:
7.3, 8.6, 10.4, 16.1, 12.2, 15.1, 14.5, and 9.3 milligrams. Calculate
a) the mean
b) the variance
Round your answers to two decimal places
Transcribed Image Text:8.12 The tar contents of 8 brands of cigarettes selected at random from the latest list released by the Federal Trade Commission are as follows: 7.3, 8.6, 10.4, 16.1, 12.2, 15.1, 14.5, and 9.3 milligrams. Calculate a) the mean b) the variance Round your answers to two decimal places
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