My questions are on statistic inference. It is on page 158,exercise 8.3. Paramet

Question

My questions are on statistic inference. It is on page 158,exercise 8.3. Parameter or statistic? Saywhether each of the boldface numbers is a parameter or astatistic. (a) Insured? A data setbased on 168 hospital discharge summaries shows that20% of patients were uninsured. (The review takesplace in a large referral hospital.) (b) Percent AfricanAmerican. Data from a standard metropolitanarea (SMA) indicate that 12% of the inhabitantsare African American. A telephone survey that was based on arandom-digit-dialing machine found that 8% ofrespondents were African American. (c) Cost of antihypertensivemedication. Data from 10 online pharmaciesreveal that the average cost of a 1-month supply of a particularmedication is $31.20 with a standard deviation$7.75. Data from 10 community pharmaciesshows an average cost of $33.18 with standarddeviation $7.88. Also could supply a brief explanation, thank you. My questions are on statistic inference. It is on page 158,exercise 8.3. Parameter or statistic? Saywhether each of the boldface numbers is a parameter or astatistic. (a) Insured? A data setbased on 168 hospital discharge summaries shows that20% of patients were uninsured. (The review takesplace in a large referral hospital.) (b) Percent AfricanAmerican. Data from a standard metropolitanarea (SMA) indicate that 12% of the inhabitantsare African American. A telephone survey that was based on arandom-digit-dialing machine found that 8% ofrespondents were African American. (c) Cost of antihypertensivemedication. Data from 10 online pharmaciesreveal that the average cost of a 1-month supply of a particularmedication is $31.20 with a standard deviation$7.75. Data from 10 community pharmaciesshows an average cost of $33.18 with standarddeviation $7.88. Also could supply a brief explanation, thank you.

Explanation / Answer

a) (20%) Statistic b) (12%) Parameter (8%) Statistic c) All are statistics Parameters are values associated with the population Statistics are values associated with a sample (168 summaries,telephone survey, 10 pharmacies)

Related Questions

Navigate

• Browse (All)
• Browse M
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.