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The coefficient of correlation between ages of husbands and wives in a community was found to be 0.8, the average of the husband's age was 25

The coefficient of correlation between ages of husbands and wives in a community was found to be 0.8, the average of the husband's age was 25

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 2CYU
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Statistics topic: The coefficient of correlation between ages of husbands and wives in a community was found to be 0.8, the average of the husband's age was 25 years and that of wives' age was 22 years. The standard deviations were 4 and 5 respectively. Find with the help of regression equations : (1) The expected age of the husband when wife's age is 18 years, and (ii) The expected age of the wife when husband's age is 32 years.
Transcribed Image Text:Statistics topic: The coefficient of correlation between ages of husbands and wives in a community was found to be 0.8, the average of the husband's age was 25 years and that of wives' age was 22 years. The standard deviations were 4 and 5 respectively. Find with the help of regression equations : (1) The expected age of the husband when wife's age is 18 years, and (ii) The expected age of the wife when husband's age is 32 years.
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