1. Copyright © 2014, 2011 Pearson Education, Inc. 1 Active Learning Lecture Slides For use with Classroom Response Systems Chapter 13 Samples and Surveys

2. Copyright © 2014, 2011 Pearson Education, Inc. 2 The best way to get a representative sample is to handpick the sample carefully. A. True B. False

3. Copyright © 2014, 2011 Pearson Education, Inc. 3 The best way to get a representative sample is to handpick the sample carefully. A. True B. False

4. Copyright © 2014, 2011 Pearson Education, Inc. 4 Larger populations require larger samples. A. True B. False

5. Copyright © 2014, 2011 Pearson Education, Inc. 5 Larger populations require larger samples. A. True B. False

6. Copyright © 2014, 2011 Pearson Education, Inc. 6 The best strategy for choosing a sample is to select cases at random. A. True B. False

7. Copyright © 2014, 2011 Pearson Education, Inc. 7 The best strategy for choosing a sample is to select cases at random. A. True B. False

8. Copyright © 2014, 2011 Pearson Education, Inc. 8 A simple random sample, or SRS, makes… A.every sample of size n have an equal chance of being chosen. B.everyone in the population have an equal chance of being chosen. C.sure that every person is represented. D.every subgroup have an equal chance of being chosen.

9. Copyright © 2014, 2011 Pearson Education, Inc. 9 A simple random sample, or SRS, makes… A.every sample of size n have an equal chance of being chosen. B.everyone in the population have an equal chance of being chosen. C.sure that every person is represented. D.every subgroup have an equal chance of being chosen.

10. Copyright © 2014, 2011 Pearson Education, Inc. 10 Characteristics of the population are called… A. population parameters. B. sample statistics. C. estimates of the population. D. known quantities.

11. Copyright © 2014, 2011 Pearson Education, Inc. 11 Characteristics of the population are called… A. population parameters. B. sample statistics. C. estimates of the population. D. known quantities.

12. Copyright © 2014, 2011 Pearson Education, Inc. 12 Characteristics of the sample are called… A. population parameters. B. sample statistics. C. estimates of the population. D. known quantities.

13. Copyright © 2014, 2011 Pearson Education, Inc. 13 Characteristics of the sample are called… A. population parameters. B. sample statistics. C. estimates of the population. D. known quantities.

14. Copyright © 2014, 2011 Pearson Education, Inc. 14 Sample statistics are used to estimate the corresponding parameters of the population. A.True B.False

15. Copyright © 2014, 2011 Pearson Education, Inc. 15 Sample statistics are used to estimate the corresponding parameters of the population. A.True B.False

16. Copyright © 2014, 2011 Pearson Education, Inc. 16 Sampling variation is the… A.variation within the sample. B.variation within the population. C.reason some samples don’t work. D.variability in the value of a statistic from sample to sample.

17. Copyright © 2014, 2011 Pearson Education, Inc. 17 Sampling variation is the… A.variation within the sample. B.variation within the population. C.reason some samples don’t work. D.variability in the value of a statistic from sample to sample.

18. Copyright © 2014, 2011 Pearson Education, Inc. 18 A stratified random sample… A.divides the sampling frame into heterogeneous groups called strata. B.uses strata that are determined geographically. C.divides the sampling frame into homogeneous groups called strata. D.is the best type of sample.

19. Copyright © 2014, 2011 Pearson Education, Inc. 19 A stratified random sample… A.divides the sampling frame into heterogeneous groups called strata. B.uses strata that are determined geographically. C.divides the sampling frame into homogeneous groups called strata. D.is the best type of sample.

20. Copyright © 2014, 2011 Pearson Education, Inc. 20 Cluster sampling… A.divides the sampling frame into heterogeneous groups called strata. B.uses strata that are determined geographically. C.divides the sampling frame into homogeneous groups called strata. D.is the best type of sample.

21. Copyright © 2014, 2011 Pearson Education, Inc. 21 Cluster sampling… A.divides the sampling frame into heterogeneous groups called strata. B.uses strata that are determined geographically. C.divides the sampling frame into homogeneous groups called strata. D.is the best type of sample.

22. Copyright © 2014, 2011 Pearson Education, Inc. 22 A census surveys the entire population. A.True B.False

23. Copyright © 2014, 2011 Pearson Education, Inc. 23 A census surveys the entire population. A.True B.False