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

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**Question 18:**

A student noted the numbers of cars passing through a spot on a road for periods each of minutes and summarized in the table given below. Find the mode of the data.

No. of cars | ||||||||

Frequency |

**Answer:**

Since the maximum frequency

And it corresponds to the class

Modal class

Here,

We know that mode is given by

**Question 19:**

**Construct the cumulative frequency distribution of the following distribution:**

consumption (units) | ||||||

Consumers |

**Answer:**

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

Monthly consumption (in units) | No. of consumes | Cumulative frequency |

**Question 20:**

If the values of mean and median are and , what will be the value of mode?

**Answer:**

We know that

Mode Median mean

Mean

## 3 Mark Questions

**Question 1:**

The following table shows the weekly wages drawn by number of workers in a factory, find the median of the following data.

Weekly wages (in Rs.) | |||||

No. of workers | 4 |

**Answer:**

We have

Weekly wages (in Rs.) | No. of workers (f) | |

Now and this is in class.

Median class

Here,

We know that