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Statistics Quiz 1 (25 MCQs)

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1. When data seems to be "gathered" around a particular value or values.

2. A right-tailed test with n = 41 has a test statistic t = 2.72. Which is the correct p-value?

3. The positive standard deviations on a normal distribution curve mean what?

4. What's the rounding rule for the estimate of population proportions?

5. The two types of statistics are _____

6. To determine how to vote on a bill, a senator calls random constituents to ask their opinion.

7. A teacher hands out an index card and asks all of her students to write down the following information:age, height (in inches), and what grade they are in.Which of the following best describes her method of data collection?

8. How often something occurs.

9. What is the mode of the following data set:1, 1, 4, 5, 6, 7, 8, 9

10. The following are the three main forms of presentation of data EXCEPT

11. In Statistics, error refers to:

12. Determine if the given sample is random or not random:Rachel chooses each player on the soccer team whose last name starts with a vowel to participate in a survey about team sports

13. The mean of the square of first 11 natural numbers is

14. Which question is best suited for a statistical investigation?

15. Which of the following IS an example of a statistical question?

16. What is the mode? 3, 12, 12, 14, 15, 4, 12, 12, 16, 16

17. An example of a quantitative discrete variable would be:

18. Arrange the following in proper sequence:I. CollectionII. InterpretationIII. OrganizationIV. Analysis

19. What does it mean for a graph of data to be SYMMETRICAL?

20. The probability that the interval estimate contains the parameter

21. A poll about favorite sports is taken from 100 seniors in a high school where the senior class has 575 students. 23% of respondents said that baseball was their favorite sport.The "100" is the _____

22. A musician wanted to see what people who bought his last album thought about the songs.Which choice best represents a sample?

23. All of the below sets have the same mean.Set 1-Standard Deviation=3.1Set 2-Standard Deviation=4.9Set 3-Standard Deviation=1.7Set 4-Standard Deviation=3.2Which set of data probably has the points closest to the mean?

24. Summarizes data using a single number. The single number is found by finding the sum of the data divided by the number of pieces of data.

25. It is the one that influences the dependent or outcome variable but was not separated from the independent variable.

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Statistics Quiz 1 (25 MCQs)

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