Statisticshard · Past Paper
In a continuous frequency distribution, the median class is 10-20. If the total frequency is 40 and CF of the preceding class is 15, what is the 'm' value used in the median formula?
A15
B20
C25
D40
✓ Correct Answer: B — 20
The position m is N/2 = 40/2 = 20.
Share this question
More from Statistics
- Two dice are thrown. What is the probability that the sum is less than 4?
- A circle in a pie chart is divided into 3 sectors. Two sectors are 120 and 150 degrees. What is the angle of the third sector?
- What is the relationship between the three quartiles and the median?
- In a pie chart representing marks (Total = 600), Science marks are 120. What is the angle?
- In a frequency table, if the sum of f*x is 240 and the sum of f is 12, what is the mean?