This Question: 1 pt 60144 (5 complete) The data in the table to the right are ba

Question

This Question: 1 pt 60144 (5 complete) The data in the table to the right are based on the results of a survey comparing the commute time of adults to their score on a well-being test. Complete parts (a) through (d) below Click the icon to view the critical values for the correlation coefficient 69.2 688 67.5 669 66.3 639 (a) Which variable is ikely the explanatory variable and which is the response variable? ° A. The explanatory variable is commute t me and the response variable is the well being score because we Heng score affects the commute time scoe O B. The explanatory vaiable is commute time and the response variable is the well-being score because commute time affects the weil-being score C. The e planatory variable is the wel, beng score and the response vanable commute tme because commute trme affects the weLbeng score. D. Te eplaratory varstie is the wellberg score and the response var able is commute tme because well being score affects the commute time (b) Draw a scatter dagram of the data Which of the folowing represents the data? OA. O C. OD. 110 Chck to select your answerts) 11

Explanation / Answer

(a)

Well being - Explanatory variable

Commute time - response variable

A well being (more fit) person will take less time in commuting for being able to walk fast.

Explanatory variable is the one which explains the response variable and is independent of other variables and factors.

Response variable is the one which is being explained by some other factor or variable.

So answer is D.

(b)

Answer is C.

At higher well being score, the commute time is lower.

As the well being socre is declining in the table, the commute time is increasing.

In the plot, as the well being score increases towards right, the commute time should decrease.

The line should have negative slope.

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