Statistics Chapter 8

Question 1

Test Hypothesis

Answer 1

making an inference about the value of a parameter relates to a specific numerical value. Is it less than, equal to, or greater than the specified number?

Question 2

Test Hypothesis 2

Answer 2

A statement about the numerical value of a population parameter

Question 3

Null Hypothesis

Answer 3

represents the hypothesis that will be assumed to be true unless the data provide convincing evidence that it is false. This usually represents the “status quo” or some statement about the population parameter that the researcher wants to test

Ho

Question 4

Alternative (research) hypothesis

Answer 4

the hypothesis that will be accepted only if the data provide convincing evidence of its truth. This usually represents the values of a population parameter for which the researcher wants to gather evidence to support

Ha

Question 5

Test Statistic

Answer 5

a sample statistic, computed from information provided in the sample, that the researcher uses to decide between the null and alternative hypotheses