A researcher is planning to carry out a sample survey in order to estimate the p

Question

A researcher is planning to carry out a sample survey in order to estimate the proportion of adults in Idaho who have shopped online in the previous 6 months. A simple random sample is to be selected, but there is debate about whether to select an SRS of size 500 or of size 1000. Which of the following statements accurately describes how choosing a larger sample size will affect the results of the survey? Increasing the sample size will reduce bias. Increasing the sample size will increase variability. Increasing the sample size will increase bias. Increasing the sample size will reduce variability.

Explanation / Answer

Increasing the sample size in an experiement generally tends to reduce the variability . This is because the variability is inversly proportional to the sample size. Thus D is correct

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

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