# CBSE Class 10-Mathematics: Chapter –14 Statistics Part 6

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**Question 2:**

For the following grouped frequency distribution, find the mode.

Class | |||||||

**Answer:**

Since the maximum frequency and it corresponds to the class

Modal class

**Question 3:**

Construct the cumulative frequency distribution of the following distribution:

Class | |||||

**Answer:**

The required cumulative frequency distribution of the given distribution is given below:

Class | Frequency | Cumulative Frequency |

**Question 4:**

The median and mode of a distribution are and respectively, find its mean.

**Answer:**

We know that Mean Mode (Median-Mode)

**Question 15:**

The marks distribution of students in a mathematics examination are given below

Class Interval | ||||||

**Answer:**

Since the maximum frequency and it corresponds to the class .

The modal class

Here,

We know that mode M_{o} is given by

Thus, Mode marks

**Question 6:**

Find the mode of this data.

Construct the cumulative frequency distribution of following distribution:

Marks | ||||||

**Answer:**

The required cumulative frequency distribution of the given distribution is given below.

Marks | No. of Students | Cumulative Frequency |