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:
Classes | |||||||
Frequency |
Answer:
We have
Classes | Mid-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