Exhibit 9-6 a Random Sample of 100 People Was Taken. Eighty of Eighty

question 118

Essay

Exhibit 9-6
A random sample of 100 people was taken. Eighty of the people in the sample favored Candidate A. We are interested in determining whether or not the proportion of the population in favor of Candidate A is significantly more than 75%.
-A researcher is testing a new painkiller that claims to relieve pain in less than 15 minutes, on average.
a.State the hypotheses associated with the researcher's test.
b.Describe a Type I error for this situation.
c.Describe a Type II error for this situation.

---

Definitions:

Purpose Statement

A clear declaration that outlines the main goal or objective of a document or speech.

Judgment Samples

Selected instances or examples of decisions made by a court, used for research, review, or educational purposes.

Stratified Samples

A method of sampling from a population which is divided into subgroups, known as strata, that share similar characteristics.

Convenience Samples

A sampling method where participants are selected based on their ease of accessibility and proximity to the researcher.