CBSE Class 10-Mathematics: Chapter – 14 Statistics Part 20 (For CBSE, ICSE, IAS, NET, NRA 2023)

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Question 3:

Find the mean, mode and median for the following data:

The Mean, Mode and Median for the Following Data
Classes
Frequency

Answer:

We have

The Mean, Mode and Median
ClassesMid-Value Frequency C. F

Let assumed mean , Here

We know that mean

Mean

Since maximum frequency

Modal class Here,

Now Mode

Mode

Now

Median class is Now median

Here

Median

Thus, Median