help me please

Write the letter of the correct answer in your answer sheet.

1. What do you call the science of collecting, describing and interpreting data?
A. Geometry B. Chemistry C. Statistics D. Physics
2. Which of the following is a characteristic of a good graph?
A. clear B. simple C. accurate D. all the above
3. What type of variables are zip codes and telephone numbers belong?
A. discrete B. continuous C. qualitative D. quantitative

4. What do you call to and ordered list of the population in selecting members systematically from the list?

A. Census B. Parameter C. Sample D. Systematic Sample

5. What do you call that consist of items in a group such as a neighborhood or a household?

A. Sample B. Random Sample C. Convenient D. Cluster Sample

6. It is a complete collection element.

A. Census B. Parameter C. Sample D. Population



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7. It is a quantitative characteristic of the population that you’re interested in

estimating or testing.

A. Census B. Parameter C. Sample D. Population

8. What do you call a subcollection of elements drawn from a population?

A. Census B. Parameter C. Sample D. Population

9. What do you call when each member of the given population has an equal

chance of being selected?

A. Sample B. Random Sample C. Convenient D. Cluster Sample

10. A method of collecting information:

A. Statistics B. Survey C. Sample D. Population

11. Randomly assigning treatment to experimental units allows:

A. Population inference C. both types of inference

B. Causal inference D. neither type of inference

12. A parameter is:

a. Sample characteristics C. unknown

b. A population characteristics D. normally distributed

13. A statistic is:

A. A sample characteristicsC. unknown

B. A population characteristics D. normally distributed

14. Observational studies allow:

A. Population inference C. both types of inference B. Causal inference D. neither type of inference

15. When asked questions concerning hygiene, people commonly lie. This is an

example of:

A. Sampling bias C. non-response bias

B. Confounding D. response bias