CBSE Class 10-Mathematics: Chapter –14 Statistics Part 18

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4 Mark Questions

Question 1:

In the following distribution, locate the median mean and mode.

In the following distribution, locate the median mean and mode

Monthly consumption of electricity

No. of consumers

Answer:

Monthly consumption of electricity

Monthly consumption of electricity

No. of consumers

Class Mark (X)

Now and this is in class

Median class = 125-145

Here,

We know that

Hence, Median

Again Mean

For mode, since the maximum frequency is and this corresponds to the class Here,

Thus, Median , Meanand ModeThe three measures are the same in the class.