1. The number of police officers in selected city districts is listed below. Find the mode.
2. 26, 21, 26, 20, 23, 28, 19, 31, 26, 26, 14
3. 28
4. 14
5. 26
6. 23
7. Question 7
8. 4 Points
9. The number of pages in book is an example of a discrete variable.
11. True
12. False
13. Question 8
14. 4 Points
15. The Social Security numbers of the employees at an engineering firm are an example of qualitative variables.
17. True
18. False
19. Question 9
20. 4 Points
21. The annual average temperature in California is an example of a continuous variable.
23. True
24. False
25. Question 10
26. 4 Points
27. A weatherman records the amount of rain that fell in Portland, Oregon each day for a year. What type of graph should he use to show how rainfall changes during the year ?
29. pie graph
30. Pareto chart
31. time series graph
32. pictograph