Question

The marks of 50 students are as follows.
48, 50, 38, 28, 19, 20, 37, 42, 49, 50, 50,
39, 29, 19, 20, 22, 23, 28, 32, 34, 45, 45,
32, 30, 28, 30, 31, 41, 21, 38, 37, 45, 46,
43, 39, 32, 33, 34, 33, 23, 23, 24, 28, 42,
34, 35, 36, 43, 42, 41
(i) Prepare a frequency distribution
table
(ii) Represent the information in the form
of a histogram​

Answer 1

Answer:

otal number of values =50

Range = Highest value − Lowest value

=98−8=90

Let us divide the given data into 10 classes.

∴ Length of the Class interval =  

Number of class interval

Range

​  

 

=  

10

90

​  

=10

The frequency table of the marks obtained by 50 students in a mathematics test is as follows.