Practice30 Create account

Using question 39 data (continuous modal class 3.5-6.5, f1 = 20, f0 = 8, f2 = 15, h = 3), find the mode of the family sizes.

Class 10Mode of Grouped DataStatistics and Probability

A5.62
B5.00
C6.00
D4.50

Step-by-Step Solution

Mode

= 3.5 + \frac{20 - 8}{2 \times 20 - 8 - 15} * 3 = 3.5 + \frac{12}{40 - 23} * 3 = 3.5 + \frac{12}{17} * 3 = 3.5 + 2.12 = 5.62

.

Answer: A) 5.62

Master this chapter in 30 minutes a day.

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

Practice 5 Similar Questions Free →

All Mode of Grouped Data practice questions

More Class 10 Mode of Grouped Data practice

The histogram shows the number of hours per week 60 students in Lucknow spend on online…A poultry farm in Haryana grouped the weights (in kg) of 50 chickens. The modal class is…For a grouped distribution the mode is 28, the modal class is 25-30 (h = 5, l = 25), f0…The lifetimes (in hours) of 200 LED bulbs made in a Coimbatore factory are grouped in…A teacher claims: 'Since the modal class of the test scores is 60-70, the most common…