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Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 16 Statistical Tests.

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Presentation on theme: "Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 16 Statistical Tests."— Presentation transcript:

1 Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 16 Statistical Tests

2 Copyright © 2014, 2011 Pearson Education, Inc. 2 A statistical hypothesis is… A. a claim about a statistic of a population. B. a claim about a parameter of a population. C. a claim about a sample of data. D. a claim about the population.

3 Copyright © 2014, 2011 Pearson Education, Inc. 3 A statistical hypothesis is… A. a claim about a statistic of a population. B. a claim about a parameter of a population. C. a claim about a sample of data. D. a claim about the population.

4 Copyright © 2014, 2011 Pearson Education, Inc. 4 The null hypothesis (H 0 )… A. states that we should do nothing. B. states that we should take action. C. contradicts the null hypothesis. D. is the default belief that we accept in the absence of data.

5 Copyright © 2014, 2011 Pearson Education, Inc. 5 The null hypothesis (H 0 )… A. states that we should do nothing. B. states that we should take action. C. contradicts the null hypothesis. D. is the default belief that we accept in the absence of data.

6 Copyright © 2014, 2011 Pearson Education, Inc. 6 The alternative hypothesis (H a )… A. states that we should do nothing. B. states that we should take action. C. contradicts the null hypothesis. D. is the default belief that we accept in the absence of data.

7 Copyright © 2014, 2011 Pearson Education, Inc. 7 The alternative hypothesis (H a )… A. states that we should do nothing. B. states that we should take action. C. contradicts the null hypothesis. D. is the default belief that we accept in the absence of data.

8 Copyright © 2014, 2011 Pearson Education, Inc. 8 A test in which the null hypothesis allows any value of a parameter larger (or smaller) than a specified value is… A. a two-sided test. B. a one-sided test. C. a null hypothesis test. D. all of the above.

9 Copyright © 2014, 2011 Pearson Education, Inc. 9 A test in which the null hypothesis allows any value of a parameter larger (or smaller) than a specified value is… A. a two-sided test. B. a one-sided test. C. a null hypothesis test. D. all of the above.

10 Copyright © 2014, 2011 Pearson Education, Inc. 10 A test in which the null hypothesis asserts a specific value for the population parameter is… A. a two-sided test. B. a one-sided test. C. a null hypothesis test. D. all of the above.

11 Copyright © 2014, 2011 Pearson Education, Inc. 11 A test in which the null hypothesis asserts a specific value for the population parameter is… A. a two-sided test. B. a one-sided test. C. a null hypothesis test. D. all of the above.

12 Copyright © 2014, 2011 Pearson Education, Inc. 12 Rejecting the null hypothesis when we should not have done so is… A. a Type III error. B. a Type II error. C. a Type I error. D. none of the above.

13 Copyright © 2014, 2011 Pearson Education, Inc. 13 Rejecting the null hypothesis when we should not have done so is… A. a Type III error. B. a Type II error. C. a Type I error. D. none of the above.

14 Copyright © 2014, 2011 Pearson Education, Inc. 14 Not rejecting the null hypothesis when we should have done so is… A. a Type III error. B. a Type II error. C. a Type I error. D. none of the above.

15 Copyright © 2014, 2011 Pearson Education, Inc. 15 Not rejecting the null hypothesis when we should have done so is… A. a Type III error. B. a Type II error. C. a Type I error. D. none of the above.

16 Copyright © 2014, 2011 Pearson Education, Inc. 16 Which of the following use tests of hypotheses? A. Visual test for association B. Normal quantile plots C. Control charts D. All of the above

17 Copyright © 2014, 2011 Pearson Education, Inc. 17 Which of the following use tests of hypotheses? A. Visual test for association B. Normal quantile plots C. Control charts D. All of the above

18 Copyright © 2014, 2011 Pearson Education, Inc. 18 The key question to answer is “What is the chance of getting a test statistic this far from H 0 if H 0 is true?” A.True B.False

19 Copyright © 2014, 2011 Pearson Education, Inc. 19 The key question to answer is “What is the chance of getting a test statistic this far from H 0 if H 0 is true?” A.True B.False

20 Copyright © 2014, 2011 Pearson Education, Inc. 20 The largest chance of a Type I error if H 0 is rejected based on the observed test statistic is called a… A.z-test. B.p-test. C.z-statistic. D.p-value.

21 Copyright © 2014, 2011 Pearson Education, Inc. 21 The largest chance of a Type I error if H 0 is rejected based on the observed test statistic is called a… A.z-test. B.p-test. C.z-statistic. D.p-value.

22 Copyright © 2014, 2011 Pearson Education, Inc. 22 The number of standard errors that separate the test statistic from the region specified by H 0 is called a… A.z-test. B.p-test. C.z-statistic. D.p-value.

23 Copyright © 2014, 2011 Pearson Education, Inc. 23 The number of standard errors that separate the test statistic from the region specified by H 0 is called a… A.z-test. B.p-test. C.z-statistic. D.p-value.

24 Copyright © 2014, 2011 Pearson Education, Inc. 24 The test of H 0 based on a count of standard errors separating H 0 from the test statistic is called a… A.z-test. B.p-test. C.z-statistic. D.p-value.

25 Copyright © 2014, 2011 Pearson Education, Inc. 25 The test of H 0 based on a count of standard errors separating H 0 from the test statistic is called a… A.z-test. B.p-test. C.z-statistic. D.p-value.

26 Copyright © 2014, 2011 Pearson Education, Inc. 26 The threshold that sets the maximum tolerance for a Type I error is called the  - level. A.True B.False

27 Copyright © 2014, 2011 Pearson Education, Inc. 27 The threshold that sets the maximum tolerance for a Type I error is called the  - level. A.True B.False

28 Copyright © 2014, 2011 Pearson Education, Inc. 28 Statistically significant data contradict the null hypothesis and lead us to reject H 0 (p- value <  ). A.True B.False

29 Copyright © 2014, 2011 Pearson Education, Inc. 29 Statistically significant data contradict the null hypothesis and lead us to reject H 0 (p- value <  ). A.True B.False

30 Copyright © 2014, 2011 Pearson Education, Inc. 30 The equal sign sometimes stays with the null hypothesis. A.True B.False

31 Copyright © 2014, 2011 Pearson Education, Inc. 31 The equal sign sometimes stays with the null hypothesis. A.True B.False

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