Statistics

Statistics

Appendix B: Practice Test (Cumulative)

1. Choose the correct order of operations. a. Exponents/roots, multiplication/division, parentheses, addition/subtraction b. Multiplication/division, parentheses, exponents/roots, addition/subtraction c. Parentheses, exponents/roots, multiplication/division, addition/subtraction 2. All of the following are correct except: a. (1 − 3) + 7 2 = 47 b. (2 ∗ 3) + (4 ∗ 1) = 10 c. (2(3 + 4 ∗ 2) = 20

7. Subjective interpretations about a given group are _____ statistics.

a. Inferential b. Qualitative c. Descriptive

8. The sum of observations divided by the number of observations equals the ______. a. Mean b. Median

c. Mode d. Range

9. The sum of observations divided by the number of observations equals _____. a. Mean b. Median c. Mode 10. The middle value of a set of numbers placed in order from smallest to largest is called what? a. Mean b. Median

3. Evaluate 2 + 3 if = 3 . a. 0 b. 8 c. 9

4. Objective measurements based on numeric values are _______. a. Quantitative

c. Mode d. Range

b. Qualitative c. Descriptive

11. The interval between the lowest and highest value is the ______. a. Mean b. Median

5. Subjective measurements based non- numerical values are _________. a. Quantitative

b. Qualitative c. Descriptive

c. Mode d. Range

6. Quantitative objectively describing a data set are _____ statistics. a. Quantitative measures

b. Inferential c. Descriptive

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