ES MAILINGS REVIEW VIEW ACROBAT t-.a-B- TNormal 11No Spac Heading 1 Heading 2 Ti

Question

ES MAILINGS REVIEW VIEW ACROBAT t-.a-B- TNormal 11No Spac Heading 1 Heading 2 Title Styles Paragraph 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 detenmine whether healthler people tend to also be happier. Treat level of health as the explanatory variable EB Click the icon to view the data table. Crecte a conditional distribution for the data Level of Poor Fair Good Excellent too happy happy happy Round to three decimal places as needed.) Use the conditional distribution to determine if heathier people tend to be happier. Choose the correct answer below O A Yes; the percent that are prety happy stays constant when health increases. O B. No; the percent that are very happy decreases when health increases. O c. Yes; percent that are not happy decreases when health increases. O D. No; the percent that are not happy increases when health increases i Data table Poor 685 940 Very happy350 Fair 1.376 3,817 1.372 Good too 742 9,642 4,520 5,095

Explanation / Answer

here conditional dsitribution can be obtained by dividing each cell with their column total

option C ; yes the percent that are not happy decreases when health increases

poor fair good excellent not too happy 0.347 0.210 0.103 0.067 pretty happy 0.476 0.581 0.611 0.471 very happy 0.177 0.209 0.286 0.462 total 1.000 1.000 1.000 1.000

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