Multiple Choice Questions-understanding Data
.
- 1.
The mean of a sample is
- A.
Always equal to the mean of the population
- B.
Always smaller than the mean of the population
- C.
Computed by summing the data values and dividing the sum by (n - 1)
- D.
Computed by summing all the data values and dividing the sum by the number of items
Correct Answer
D. Computed by summing all the data values and dividing the sum by the number of items -
- 2.
Which of these measures are used to analyze the central tendency of data?
- A.
Mean and Normal Distribution
- B.
Mean, Median and Mode
- C.
Mode, Alpha & Range
- D.
Standard Deviation, Range and Mean
Correct Answer
B. Mean, Median and Mode -
- 3.
Any measure indicating the centre of a set of data, arranged in an increasing or decreasing order of magnitude, is called a measure of:
- A.
Skewness
- B.
Symmetry
- C.
Central tendency
- D.
Dispersion
Correct Answer
C. Central tendency -
- 4.
The measure of central tendency listed below is:
- A.
The raw score
- B.
The mean
- C.
The range
- D.
Standard deviation
Correct Answer
B. The mean -
- 5.
The midpoint of the values after they have been ordered from the smallest to the largest or the largest to the smallest is called:
- A.
Mean
- B.
Median
- C.
Lower quartile
- D.
Upper quartile
Correct Answer
B. Median -
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Mar 25, 2020Quiz Edited by
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Mar 25, 2020Quiz Created by
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