Consider the following distribution:
Marks obtained Number of students
Number of students63
More than or equal to 1058
More than or equal to 2055
More than or equal to 3051
More than or equal to 4048
More than or equal to 5042
The frequency of the class 30-40 is
a. 3
b. 4
c. 48
d. 51

Solution:

Here the frequency of the class 30-40 is 3.

Therefore, the frequency of the class 30-40 is 3.

✦ Try This: Consider the following distribution:

The frequency of the class 30-40 is

☛ Also Check: NCERT Solutions for Class 10 Maths Chapter 14

NCERT Exemplar Class 10 Maths Exercise 13.1 Problem 11

Consider the following distribution: Marks obtained Number of students Number of students 63 More than or equal to 10 58 More than or equal to 20 55 More than or equal to 30 51 More than or equal to 40 48 More than or equal to 50 42 The frequency of the class 30-40 is a. 3, b. 4, c. 48, d. 51

Summary:

Frequency distribution is used to organize the collected data in table form. Considering the distribution, the frequency of the class 30-40 is 3

☛ Related Questions:

• If an event cannot occur, then its probability is a. 1, b. 3/4, c. 1/2, d. 0
• Which of the following cannot be the probability of an event a. 1/3, b. 0.1, c. 3%, d. 17/16
• An event is very unlikely to happen. Its probability is closest to a. 0.0001, b. 0.001, c. 0.01, d. . . . .