The Great Britain office of Populaticn Census and Surveys once collected data on

Question

The Great Britain office of Populaticn Census and Surveys once collected data on a random sample of 170 heterosexual mamed couples in Bitain recording the ages in years) and heights conveited here to inches f the husbands and wives. The results are indicated In the two scatterplnts below. 70 60 65. 40 60 20 20 40 60 60 65 Husband's age (in years) Husband's height (in inches) ) Suppose one or the scatterplots shows data with a correlation ore0.85,hile the other shows a conelation oTr-0.20, which is which? The correlation between Wife s age and Husbandcs age is 085 The correlatlon between lfes helpht and Hushardas hrlght is 0.20 b) Which of the g are correct merpreations r the correlation betwee wife s age and husbündLs ege? Select ell thèt à e conect.) Wives tend to have nusbands whose age is 85% of their own. Wives tend to be younger than thei husbands. Husbanas tend to have wives whose age is a5% af their awn. Husband$ below the average age for husbands tend to have wives who are below tne average age for ves. Husbands atove the average age for husbands tena to hav wives who ere abe the average age fur wives. c The data shown tor heights re ir inches r we were to convert all d ta to centime ers 1 inch 2.54 centimeters) bet re ca culating the correlation between wite-s height ord HusbandJs eight, w t value would e obtain for the corre ation? Correlation for data in centirmeters woud be 0.2u

Explanation / Answer

b) correct option are:

husband below the average age ..................

husband abve the aveerage age.........................

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