Practice30 Create account

Find the mode of: classes 0–10, 10–20, 20–30, 30–40, 40–50 with frequencies 6, 10, 16, 12, 6.

Competition practiceStatistics

A25
B24
C26
D27.5

Step-by-Step Solution

Modal class 20–30:

f_{1} = 16, f_{0} = 10, f_{2} = 12

. Mode

= 20 + \frac{16 - 10}{32 - 10 - 12} \times 10 = 26

.

Answer: C) 26

Master this topic in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Statistics practice questions

More Statistics practice

Find the mode of: classes 0–5, 5–10, 10–15, 15–20 with frequencies 14, 10, 6, 4.The mode of the distribution below is 24. Classes 0–10, 10–20, 20–30, 30–40, 40–50 have…In a factory, 20 workers earn an average daily wage of ₹450, 30 workers earn ₹500 and 50…The average monthly salary of all employees of a firm is ₹60,000. The 12 officers earn…A data set of 50 observations has mean 42. The mean of the first 20 is 40 and the mean…