Which of the following examples best illustrates estimation? a. The actual perce

Question

Which of the following examples best illustrates estimation? a. The actual percentage of unemployed Americans. b. The varying valid percentages of Republicans and Democrats who closely follow controversial political news. c. The actual average level of education in the United States. d. The percentage of Americans who favor gay and lesbian relations as approximated by the Gallup organization. e. None of the above. The actual percentage of Americans who support gay and lesbian relations is an example of a(n): a. Estimation. b. Sample. c. Confidence interval d. Population parameter e. A measure of central tendency A point estimate is an estimate where a: a. Sample statistic is used to estimate the exact value of a population parameter. b. Sample statistic is used to estimate a range of possible values of a population parameter. c. Population parameter is used to estimate the exact value of a sample statistic population. d. Population parameter is used to estimate

Explanation / Answer

1)

Out of all the available options, the percentage of Americans who favor gy and lesbian relations is approximated by Gallup organisation - best illustrates estimation because some value is being approximated by the Gallup organisation.

Hence option d.

2)

The actual percentage of Americans who support gy and lesbian relations is an example of a population parameter because the percentage indicates something about tthe entire population.

Hence option d.

3)

A point estimate is an estimate where the sample statistic is used to estimate the exact value of a population parameter. This is a single value and not an interval.

Hence option a.

Related Questions

Navigate

• Browse (All)
• Browse W
• Subjects

---

---

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