Abhishek Chauhan and Vivek Singhal Solutions for Chapter: Data Handling, Exercise 1: Topic Exercise 5.1

Following numbers related to the weekly wages (in $₹$) of $18$ workers in a factory:$300, 200, 150, 200, 350, 200, 300, 350, 150, 200, 350, 150, 300, 350, 250, 250, 200, 300, 350$
Prepare a frequency distribution table. What is the range in wages (in $₹$)?

Following numbers related to the weekly wages (in $₹$) of $18$ workers in a factory:$300, 200, 150, 200, 350, 200, 300, 350, 150, 200, 350, 150, 300, 350, 250, 250, 300, 350$
Prepare frequency table. How many workers are getting $₹200$?

The earnings of $50$shops on a particular day are as follows (the figures have been estimated to the nearest hundreds):

Prepare a grouped frequency distribution table taking class interval of equal size, one such interval being $1500-2000$.

The marks scored by $24$ students in a test are given below:
$64, 47, 58, 44, 53, 72, 51, 41, 57, 89, 53, 84, 57, 78, 71, 56, 62, 54, 42, 68, 53, 68, 49, 56$

Complete the following frequency table:

What is the class interval in which the greatest frequency occurs?

Number of workshops organized by a school in different areas during the last five years are as follows:

Draw a histogram representing the above data.

The following histogram shows that the frequency distribution of the age of $22$ teachers in a school.

What is the number of eldest and youngest teachers in the school?

The following histogram show that the frequency distribution of the age of $22$ teachers in a school.

Which age group teachers are more in the school and which least?

The following histogram show that the frequency distribution of the age of $23$ teachers in a school.

What is the size of classes?