The mean defined in the text is sometimes called the arithmetic mean to distinguish it from other possible means. For example, a different mean, called the geometric mean (G.M.), is used in business and economics for finding average rates of change, average rates growth, average ratios. This mean is defined to be the nth root of the product of the numbers. For example, the geometric mean of 4, 5, and 6 is G.M. - (4-5- 6)/3 120 4.9. (a) Find the arithmetic and geometric means for the numbers 2, 4, 5, 6, 6, 9, and 10. (Round your answers to one decimal place.) arithmetic mean 6 geometric mean (b) The growth rates for three cities are 1.5%, 2.1%, and 0.7%. Compare the arithmetic and geometric means. (Round your answers to two decimal places.) arithmetic mean geometric mean

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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The mean defined in the text is sometimes called the arithmetic mean to distinguish it from other possible means. For example, a different mean, called the geometric mean (G.M.), is used in business and economics for finding average rates of change, average rates of
growth, or average ratios. This mean is defined to be the nth root of the product of the numbers. For example, the geometric mean of 4, 5, and 6 is
G.M. = (4 · 5 · 6)1/3
V120
z 4.9.
(a) Find the arithmetic and geometric means for the numbers 2, 4, 5, 6, 6, 9, and 10. (Round your answers to one decimal place.)
arithmetic mean
6
geometric mean
(b) The growth rates for three cities are 1.5%, 2.1%, and 0.7%. Compare the arithmetic and geometric means. (Round your answers to two decimal places.)
arithmetic mean
%
geometric mean
%
Transcribed Image Text:The mean defined in the text is sometimes called the arithmetic mean to distinguish it from other possible means. For example, a different mean, called the geometric mean (G.M.), is used in business and economics for finding average rates of change, average rates of growth, or average ratios. This mean is defined to be the nth root of the product of the numbers. For example, the geometric mean of 4, 5, and 6 is G.M. = (4 · 5 · 6)1/3 V120 z 4.9. (a) Find the arithmetic and geometric means for the numbers 2, 4, 5, 6, 6, 9, and 10. (Round your answers to one decimal place.) arithmetic mean 6 geometric mean (b) The growth rates for three cities are 1.5%, 2.1%, and 0.7%. Compare the arithmetic and geometric means. (Round your answers to two decimal places.) arithmetic mean % geometric mean %
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