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CHAPTER 9—HYPOTHESIS TESTS

MULTIPLE CHOICE

1. The sum of the values of α and β
|a. |always add up to 1.0 |
|b. |always add up to 0.5 |
|c. |is the probability of Type II error |
|d. |None of these alternatives is correct. |

ANS: D PTS: 1 TOP: Hypothesis Tests

2. What type of error occurs if you fail to reject H0 when, in fact, it is not true?
|a. |Type II |
|b. |Type I |
|c. |either Type I or Type II, depending on the level of significance |
|d. |either Type I or Type II, depending on whether the test is one tail or two tail |

ANS: A PTS: 1 TOP: Hypothesis Tests

3. An assumption made about the value of a population parameter is called a
|a. |hypothesis |
|b. |conclusion |
|c. |confidence |
|d. |significance |

ANS: A

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