Question 47
Measures of DispersionThe interquartile range of a distribution is 7. If the 25th percentile is 16, find the upper quartile.
- A.35
- B.30
- C.23
- D.9
Show the answer and explanation
Answer: C (23)
Explanation
Interquartile range = Q3 − Q1, and the 25th percentile is Q1. Q3 = 16 + 7 = 23.