Health Assessment Social Class Poor Fair Good Excellent Poverty 12 24 28 0 Worki

Question

Health Assessment Social Class Poor Fair Good Excellent Poverty 12 24 28 0 Working 28 70 130 22 Middle Upper 27 71 76 44 5 9 486 A) In this study the Health Assessment variable is: Quantitative & Nominal Consider that you randomly select one of these records from the 600 responses; use the results published in Table 1, above, to find the following probabilities Note: You may answer in fraction (n/d) form. If you compute a decimal answer, use at least 3-decimal precision B) P(Poor Health) = C) P(Upper Class)- D) P(Poor Healthl Poverty Class) E) P(Poor Health|Upper Class) Does it appear that social class and health are dependent? No, social class and health appear independent because the marginal probability of poor health is roughly the same as the marginal probability of upper class. No, social class and health appear independent because the marginal probability of poor health is roughly equal to the conditional probabilities of poor health given poverty or upper class. No, social class and health appear independent because correlation does not imply causation. Yes, social class and health appear dependent because the marginal probability of poor health is considerably different from the marginal probability of poverty. Yes, social class and health appear dependent because the marginal probability of poor health is considerably different from the conditional probabilities of poor health given poverty or upper class. Yes, social class and health appear dependent because the data show significant evidence that health assessment determines your social class. 0

Explanation / Answer

from given table:

a) qualitative and nominal (instead of quantitative)

b) P(poor heath) =72/600 =3/25 =0.120

c) P(Upper class) =68/600 =17/150 =0.1133

d) P(poor health|poverty class) =12/64 =3/16 =0.1875 ~0.188

e)P(poor health|upper class) =5/68 =0.0735 ~0.074

Yes social calls.........because marginal probability of poor heath is considerable different from the conditional probabilities of poor heath given poverty or upper class,

poor fair good excellent total poverty 12 24 28 0 64 working 28 70 130 22 250 middle 27 71 76 44 218 upper 5 9 48 6 68 total 72 174 282 72 600

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