10 Questions
| Attempts: 38384

Questions and Answers

- 1.Age is classified as:
- A.
Nominal data

- B.
Ordinal data

- C.
Interval data

- D.
Ratio data

- 2.You are interested in how stress affects heart rate in humans. Your dependent variable would be the _____.
- A.
Interest

- B.
Heart rate

- C.
Humans

- D.
Stress

- 3.Gender is categorized as:
- A.
Nominal

- B.
Ordinal

- C.
Interval

- D.
Ratio

- 4.You are conducting a study to see whether a new experimental medication will cause bald men to grow hair. You divide your patients into two groups. To one group, you give the medication. To the other group, you give a placebo. In this study, the correct terms for the taking of the drug and the growth of hair are the following.
- A.
Both the medication and the hair growth are dependent variables.

- B.
Both the medication and the hair growth are independent variables.

- C.
The medication is the dependent variable, and the hair growth is the independent variable.

- D.
The medication is the independent variable, and the hair growth is the dependent variable.

- 5.Which of the following definitions is the definition of the MODE?
- A.
The MODE is the value that has the highest frequency.

- B.
The MODE is the average calculated by adding up all the values and dividing by the number of entries.

- C.
The MODE is the largest value.

- D.
The MODE is the value that half of the entries are below and half of the entries are above.

- 6.Which of the following definitions is the definition of the MEAN?
- A.
The MEAN is the largest value.

- B.
The MEAN is the value that half of the entries are below and half of the entries are above.

- C.
The MEAN is the value that has the highest frequency.

- D.
The MEAN is the average calculated by adding up all the values and dividing by the number of entries.

- 7.Which of the following definitions is the definition of the MEDIAN?
- A.
The MEDIAN is the value that half of the entries are below and half of the entries are above.

- B.
The MEDIAN is the value that has the highest frequency.

- C.
The MEDIAN is the largest value.

- D.
The MEDIAN is the average calculated by adding up all the values and dividing by the number of entries.

- 8.What is the median of the following set of numbers? {12,8,13,4,7,6,3,3,15}
- A.
12

- B.
8

- C.
7

- D.
7.5

- 9.What are the mode and the mean for the following set of numbers? {4, 9, 8, 2, 16, 4, 4, 8 ,9, 6}
- A.
Mean = 7, mode =8

- B.
Mean = 7, mode =4

- C.
Mean = 6, mode =8

- D.
Mean = 8, mode =9

- 10.Statistics are useless since you can design an experiment to prove anything you want to prove statistically.
- A.
True

- B.
False

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