CBSE Notes, Lectures

CBSE - Mathematics - Statistics

Statistics

NCERT Exercise Exercise 14.2

Three coins were tossed 30 times simultaneously. Each time the number of heads occurring was noted down as follows:

0 1 2 2 1 2 3 1 3 0

1 3 1 1 2 2 0 1 2 1

3 0 0 1 1 2 3 2 2 0

Prepare a frequency distribution table for the data given above

By observing the data given above, the required frequency distribution table can be constructed as follows.

Number of heads

Number of times (frequency)

0

6

1

10

2

9

3

5

Total

30

.