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Elementary Statistics Exam
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Elementary Statistics Exam
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25 Questions

1. The amount of energy collected from every wind turbine on a wind farm...what is the population?

2. Relative frequency

3. Use the row of numbers shown below to generate 12 random numbers between 01 and 99.
90087 42075 28407 08801 82618 05237 05444 65936

4. outlier

5. skewed right
(positively skewed)

6. The average annual salary for 35 of a company's 1200 accountants is $68,000. What is the Statistic?

7. cluster sample

8. class boundaries

9. The method for selecting a systematic sample is to ______________.

10. population

11. uniform/rectangular

12. times series chart

13. parameter

14. second quartile

15. In a survey, 614 small business owners in the US were asked whether they thought their companys FB presence was valuable. 258 of the 614 said yes. What is the population and sample & describe the sample data set?

16. upper class limit

17. A survey of 202 pilots found that 20% admit that they have made a serious error due to sleepiness. What is the descriptive statistic?

18. stem-and-leaf plot

19. range

20. quantitative
(N)

21. shapes of distribution

22. A survey of 1015 U.S. adults found that 32% have had to put off medical care for themselves or their family in the past year due to cost. What are the data sets?

23. A study of 6,076 adults in public rest rooms found that 23% did not wash their hands before exiting.

is 23% a parameter or statistic??

24. frequency histogram

25. population standard deviation formula

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