Measures of Dispersion - SS2 Economics Past Questions and Answers - page 1
1
Which of the following measures of dispersion is calculated by subtracting the smallest value from the largest value in a dataset?
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A
Variance
B
Standard deviation
Â
C
Range
D
Mean
2
Which of the following measures of dispersion gives an idea of how much the data is spread out around the mean?
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A
Range
B
Variance
Â
C
Standard deviation
D
Median
3
Which of the following measures of dispersion is sensitive to outliers?
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A
Range
B
Variance
C
Standard deviation
D
Mean
Â
4
Which of the following measures of dispersion is always positive or zero?
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A
Range
B
Variance
Â
C
Standard deviation
D
Mean
5
Which of the following measures of dispersion is useful in identifying extreme values or outliers?
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A
Range
B
Variance
Â
C
Standard deviation
D
Mean
6
The heights (in inches) of a group of basketball players are 71, 74, 68, 72, 70, and 75. What is the range of the players' heights?
Â
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7
The weights (in pounds) of a group of people are 150, 140, 165, 180, 130, and 170. What is the standard deviation of the weights?
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8
The weights (in pounds) of a group of people are 150, 140, 165, 180, 130, and 170. What is the variance of the weights?
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