Statisticsmedium · Past Paper
Given Mean = 20 and Median = 21, find the Mode using empirical formula.
A22
B23
C24
D25
✓ Correct Answer: B — 23
Mode = 3 Median - 2 Mean = 3(21) - 2(20) = 63 - 40 = 23.
Share this question
More from Statistics
- A box contains 10 light bulbs, 3 of which are defective. What is the probability of picking a good bulb?
- In the formula for mode $L + \frac{f_1 - f_0}{2f_1 - f_0 - f_2} \times h$, $f_1$ is the frequency of:
- What is the mean of 10, 20, 30, 40, 50?
- The median of 10, 14, 15, 17, 21, 24 is:
- Find the Q1 of a continuous series where N=100, lower limit of Q1 class is 10, h=10, f=20, and cf=15.