The mode of the observations 4, 3, 8, 7, 3, 7, 3, 1, 1, 3, 8, 3, 3, 5 and 3 is:

Question

Question

This question was previously asked in

RRB NTPC Graduate Level CBT-I Official Paper (Held On: 06 Jun, 2025 Shift 2)

Answer 1

Given:

The observations are: 4, 3, 8, 7, 3, 7, 3, 1, 1, 3, 8, 3, 3, 5, and 3.

Formula used:

Mode = The value that appears most frequently in a data set.

Calculations:

Frequency of each observation:

4 → 1 time

3 → 7 times

8 → 2 times

7 → 2 times

1 → 2 times

5 → 1 time

⇒ The observation that appears most frequently is 3 (7 times).

∴ The correct answer is option (2).

Download Solution PDF