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(a) Insured? A data set based is set on 168 hospital discharge summaries show th

ID: 2958565 • Letter: #

Question

(a) Insured? A data set based is set on 168 hospital discharge summaries show that 20% of patients were uninsured. (The review takes place in a large referral hospital.)
(b) Percent African American. Data from a standard metropolitan area (SMA) indicate that 12% of the inhibitants are African American. A telephone survey that was based on a random-digit-dialing machine found that 8% of respondents were African American.
(c) Cost of antihypertensive medication. Data from 10 online pharmacies reveal that the average cost of a one month supply of a particular medicationis $31.20 with standard deviation $7.75. Data from 10 community pharmacies shows an average cost of $33.18 with standard deviation $7.88. Please indicate if problems are statistic or parameter?

Explanation / Answer

(a) 20%--- statistic (b) 12% --- parameter 8% --- statistic (c) $31.20 & $7.75 --- parameter $33.18 & $7.88 --- statistic