Deck 10: Hypothesis Tests Regarding a Parameter

Question 1

Explain Type I and Type II Errors
The mean cost of textbooks for one class is greater than $160. Identify the type I and type II errors for the hypothesis test of this claim.

Answer 1

Question 2

Provide an appropriate response.

Answer 2

A

Question 3

Explain Type I and Type II Errors

Answer 3

A

Question 4

Explain Type I and Type II Errors
The mean monthly cell phone bill for one household was less than $109. Identify the type I and type II errors for the hypothesis test of this claim.

Question 5

Explain Type I and Type II Errors

Question 6

Provide an appropriate response.
The owner of an outdoor store recommends against buying the new model of one brand of GPS receivers because they vary more than the old model, which had a standard deviation of 50 meters. Write the null and alternative hypotheses.

Question 7

Explain Type I and Type II Errors

Question 8

Explain Type I and Type II Errors

Question 9

Explain Type I and Type II Errors

Question 10

Provide an appropriate response.

Question 11

Provide an appropriate response.
A popular referendum on the ballot is favored by more than half of the voters. Write the null and alternative hypotheses.

Question 12

Provide an appropriate response.
The mean repair bill of cars is greater than $110. Write the existing state and alternative hypotheses.

Question 13

Explain Type I and Type II Errors
A referendum for an upcoming election is favored by more than half of the voters. Identify the type I and type II errors for the hypothesis test of this claim.

Question 14

Explain Type I and Type II Errors

Question 15

Explain Type I and Type II Errors

Question 16

Provide an appropriate response.
The mean utility bill in one city during the summer was less than $93. Write the null and alternative hypotheses.

Question 17

Provide an appropriate response.
The mean annual return for an employee s IRA is at most 3.1 percent. Write the null and alternative hypotheses.

Question 18

Provide an appropriate response.

Question 19

Explain Type I and Type II Errors

Question 20

Provide an appropriate response.
The mean age of lawyers in New York is 52.1 years. Write the existing state and alternative hypotheses.

Question 21

Explain the Logic of Hypothesis Testing

Question 22

Explain the Logic of Hypothesis Testing

Question 23

State Conclusions to Hypothesis Tests

Question 24

State Conclusions to Hypothesis Tests

Question 25

State Conclusions to Hypothesis Tests

Question 26

Explain the Logic of Hypothesis Testing

Question 27

State Conclusions to Hypothesis Tests

Question 28

State Conclusions to Hypothesis Tests

Question 29

State Conclusions to Hypothesis Tests

Question 30

State Conclusions to Hypothesis Tests

Question 31

Explain the Logic of Hypothesis Testing

Question 32

Explain the Logic of Hypothesis Testing

Question 33

State Conclusions to Hypothesis Tests

Question 34

State Conclusions to Hypothesis Tests

Question 35

Test Hypotheses about a Population Mean with Known Using the Classical Approach

Question 36

State Conclusions to Hypothesis Tests

Question 37

Explain the Logic of Hypothesis Testing

Question 38

State Conclusions to Hypothesis Tests

Question 39

Explain Type I and Type II Errors

Question 40

State Conclusions to Hypothesis Tests

Question 41

Test Hypotheses about a Population Mean with Known Using the Classical Approach

Question 42

Test Hypotheses about a Population Mean with Known Using the Classical Approach

Question 43

Test Hypotheses about a Population Mean with Known Using the Classical Approach

Question 44

Test Hypotheses about a Population Mean with Known Using the Classical Approach

Question 45

Test Hypotheses about a Population Mean with Known Using the Classical Approach

Question 46

Test Hypotheses about a Population Mean with Known Using P-values

Question 47

Test Hypotheses about a Population Mean with Known Using the Classical Approach

Question 48

Test Hypotheses about a Population Mean with Known Using the Classical Approach

Question 49

Test Hypotheses about a Population Mean with Known Using P-values

Question 50

Test Hypotheses about a Population Mean with Known Using the Classical Approach

Question 51

Test Hypotheses about a Population Mean with Known Using the Classical Approach

Question 52

Test Hypotheses about a Population Mean with Known Using the Classical Approach

Question 53

Test Hypotheses about a Population Mean with Known Using the Classical Approach

Question 54

Test Hypotheses about a Population Mean with Known Using P-values

Question 55

Test Hypotheses about a Population Mean with Known Using P-values

Question 56

Test Hypotheses about a Population Mean with Known Using the Classical Approach

Question 57

Test Hypotheses about a Population Mean with Known Using the Classical Approach

Question 58

Test Hypotheses about a Population Mean with Known Using the Classical Approach

Question 59

Test Hypotheses about a Population Mean with Known Using P-values

Question 60

Test Hypotheses about a Population Mean with Known Using P-values

Question 61

Test Hypotheses about a Population Mean with Unknown
Find the standardized test statistic t for a sample with n = 10, x = 8.8, s = 1.3, and = 0.05 if H0: 9.7. Round your answer to three decimal places.

Question 62

Test Hypotheses about a Population Mean with Known Using P-values

Question 63

Test Hypotheses about a Population Mean with Known Using Confidence Intervals

Question 64

Test Hypotheses about a Population Mean with Known Using Confidence Intervals

Question 65

Test Hypotheses about a Population Mean with Known Using Confidence Intervals

Question 66

Test Hypotheses about a Population Mean with Unknown

Question 67

Test Hypotheses about a Population Mean with Unknown

Question 68

Test Hypotheses about a Population Mean with Known Using P-values

Question 69

Test Hypotheses about a Population Mean with Known Using P-values

Question 70

Test Hypotheses about a Population Mean with Known Using Confidence Intervals

Question 71

Distinguish between Statistical Significance and Practical Significance

Question 72

Test Hypotheses about a Population Mean with Unknown

Question 73

Test Hypotheses about a Population Mean with Unknown

Question 74

Test Hypotheses about a Population Mean with Known Using P-values

Question 75

Test Hypotheses about a Population Mean with Unknown

Question 76

Test Hypotheses about a Population Mean with Known Using P-values

Question 77

Test Hypotheses about a Population Mean with Unknown

Question 78

Test Hypotheses about a Population Mean with Unknown

Question 79

Test Hypotheses about a Population Mean with Known Using Confidence Intervals

Question 80

Distinguish between Statistical Significance and Practical Significance