Solutions for Elementary Statistics, 4th Edition by William Navidi
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Course
Introduction to Statistics
Institution
Introduction To Statistics
Solutions Manual for Elementary Statistics 4e, 4th Edition by William Navidi, Barry Monk.
Full Chapters solutions included
1 Basic Ideas
2 Graphical Summaries of Data
3 Numerical Summaries of Data
4 Summarizing Bivariate Data
5 Probability
6 Discrete Probability Distributions
7 The Norm...
Chapter 1: Basic Ideas 39. Systematic sample
40. Voluntary response sample
Section 1.1 41. Simple random sample
42. Voluntary response sample
Exercises 1 – 6 are the Check Your
Understanding exercises for this section.
Working with the Concepts
Understanding the Concepts
43. It will be necessary to draw a sample of
7. population convenience. There is no list of all headache
8. sample sufferers from which to draw a simple
9. simple random sample random sample.
10. sample of convenience 44. It is feasible to draw a simple random
11. cluster sample of students from a list of all students
12. stratified enrolled.
13. False. In some cases it is difficult or 45. Answers will vary. A simple random sample
impossible to draw a sample in a truly could be drawn from a list of all registered
random way. In these cases, the best one can voters in the town.
do is to sample items by some convenient 46. Answers will vary. A systematic sample
method. A sample of convenience is one could be used in which every tenth item was
way. sampled.
14. False. In a stratified sample, the population 47. Answers will vary. A stratified sample,
is divided into groups, and a random sample consisting of simple random samples of 100
from each group is drawn. men and 100 women, could be drawn.
15. True 48. Answers will vary. A simple random sample
16. True of tax forms could be drawn.
Practicing the Skills Extending the Concepts
17. Statistic 49. Answers will vary.
18. Parameter 50. Let’s say we will sample every kth item.
19. Parameter This determines k − 1 clusters; the first
20. Statistic cluster consists of items 1, k + 1, 2k + 1, …;
21. Parameter the second cluster consists of items 2, k + 2,
22. Statistic 2k + 2, …; and so on. Choosing a systematic
23. Answers will vary. sample is like choosing one of these clusters
24. Answers will vary. Stratified sample at random.
25. Answers will vary. Cluster sample
26. Answers will vary. Systematic sample Section 1.2
27. Stratified sample
28. Sample of convenience Exercises 1 – 5 are the Check Your
29. Cluster sample Understanding exercises for this section.
30. Systematic sample
31. Voluntary response sample Understanding the Concepts
32. Cluster sample
33. Sample of convenience 6. variables
34. Simple random sample 7. data
35. Stratified sample 8. qualitative
36. Cluster sample 9. Quantitative
37. Simple random sample 10. nominal; ordinal
38. Stratified sample 11. discrete
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