Question 37
Measures of Central TendencyThe table below shows the frequency distribution of a number of chairs in each of 40 rooms of various houses.
No. of chairs: 1, 2, 3, 4, 5, 6, 7
Frequency: 2, 7, 5, 4, 9, 7, 6
Find the median of the distribution.
- A.9
- B.6.5
- C.5
- D.4.5
- E.4
Show the answer and explanation
Answer: C (5)
Explanation
The median is between the 20th and 21st rooms. Cumulative frequencies 2, 9, 14, 18, 27 show both are in the 5-chair group.