First slide

Introduction to statistics

Question

The mode of the following data $120, 110, 130, 110, 120, 140, 130, 120, 140, 120,$ is

Moderate

A

110
B

120
C

130
D

115

Solution

The frequency table for the given data is as given below:
$\begin{array}{lcccc} Value (x_{i}) : & 110 & 120 & 130 & 140 \\ Frequency (f_{i}) : & 2 & 4 & 2 & 2 \end{array}$
We observe that the value 120 has the maximum frequency. Hence, the mode or modal value is 120.

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