Explanation Given: Travel Time, x (in minutes) x < 10 10 ≤ x < 15 15 ≤ x < 20 20 ≤ x < 25 25 ≤ x < 30 Number (in thousands) 8 , 734 9 , 362 10 , 341 10 , 201 4 , 192 Travel Time, x (in minutes) 30 ≤ x < 35 35 ≤ x < 45 45 ≤ x < 60 x ≥ 60 Number (in thousands) 9 , 991 4 , 681 5 , 729 6 , 638 Approach: The formula to calculate the average is given as, x ¯ = ∑ f ⋅ x ∑ f Here, f is the population and x is the average age. Calculation: Travel time x (mid-point) Number ( f ) f ⋅ x x < 10 5 8 , 734 43670 10 ≤ x < 15 12

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ISBN: 8220103649001

Author: Tan

Publisher: CENGAGE L

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Chapter 8.2, Problem 30E

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To estimate:

The average time to work for male workers aged 16 years and over who do not work at home.

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Chapter 8.2, Problem 29E

Chapter 8.2, Problem 31E

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To estimate: The average time to work for male workers aged 16 years and over who do not work at home.

Solution Summary: The author calculates the average time to work for male workers aged 16 years and over who do not work at home.