Which of the following is the semi-interquartile range of a distribution?
FURTHER MATHEMATICS
WAEC 2022
Which of the following is the semi-interquartile range of a distribution?
- A. Mode - Median
- B. Highest score - Lowest score
- C. 1/2 (Upper Quartile - Median)
- D. 1/2 (Upper Quartile - Lower Quartile)
Correct Answer: D. 1/2 (Upper Quartile - Lower Quartile)
Explanation
"Semi" means "half"
Interquartile range = Upper quartile - Lower quartile
| Semi | interquartile | range | = | 1 2 | ( | upper | quartile | - | lower | quartile | ) |
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