A survey asks questions about one\'s happiness and health. One would think that

Question

A survey asks questions about one's happiness and health. One would think that health plays a role in one's happiness. Use the data in the accompanying table to determine whether healthier people tend to also be happier. Treat level of health as the explanatory variable. Click the icon to view the data table Create a conditional distribution for the data. Level of Health Level of Happiness Not too happy Pretty happy Poor Fair Good Excellent ery happy otal (Round to three decimal places as needed.) Use the conditional distribution to determine if healthier people tend to be happier. Choose the correct answer below o A. Yes, the percent that are not happy decreases when health increases. B. Yes, the percent that are pretty happy stays constant when health increases C. No, tne percent tnat are very happy decreases when health increases D. No; the percent that are not happy increases when health increases. Data table Poor 696 950 345 Good 1,629 9,642 4,520 Excellent ! Not too happy Pretty happy ery happy Fair 1,376 3,817 1,372 742 5,195 5,085 Print Done Click to select your answer(s)

Explanation / Answer

here dividing each cell with column total below is conditional probability:

option A is correct

poor fair good excellent Not too Happy 0.350 0.210 0.103 0.067 pretty happy 0.477 0.581 0.611 0.471 very happy 0.173 0.209 0.286 0.461 total 1 1 1 1

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