CBSE Class 10-Mathematics: Chapter – 14 Statistics Part 13 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Question 6:

Find the median of the following frequency distribution:

Answer:

We have

Now and this lies in class.

Median class

Here,

We know that

Question 7:

The following tables gives production yield per hectare of wheat of farms of village:

Change the distribution to a more than type distribution and draw its O give.

Answer:

More than type O give

Now, draw the O given by plotting the points

Question 8:

The A. M of the following distribution is . Determine the value of P.

Answer:

We have

Since Mean,

Thus,