EASY
9th West Bengal Board
IMPORTANT
Earn 100

What is histogram?

Important Questions on Histogram and Frequency Polygon

EASY
9th West Bengal Board
IMPORTANT
What is frequency polygon?
EASY
9th West Bengal Board
IMPORTANT

Construct rough histogram of the following frequency distribution:

Class-interval 0-10 10-20
Frequency 8 11
EASY
9th West Bengal Board
IMPORTANT

Construct a frequency polygon of the following frequency distribution:

Class-interval 10-20 20-30
Frequency 11 18
EASY
9th West Bengal Board
IMPORTANT

Construct a histogram of the following frequency distribution:

Number of babies 0 1 2
Number of families 20 80 60
EASY
9th West Bengal Board
IMPORTANT

The frequency distribution of 11 teachers of the Bidyasagar primary school in the Birshingha village are as follows:

Age(in years)  37-43 43-49 49-55
Number of teachers 02 05 04

Construct a histogram of the above frequency distribution.

 

EASY
9th West Bengal Board
IMPORTANT

The frequency distribution of the number of goals of the teams of the Kolkata league are given below:

Number of goals 1 2 3 4
Frequencies 20 12 8 6

Construct a frequency polygon of the above data.

 

EASY
9th West Bengal Board
IMPORTANT

Construct a frequency polygon of the following frequency distribution:

Class intervals 1-10 11-20 21-30
Frequencies 8 3 6
EASY
9th West Bengal Board
IMPORTANT

The marks obtained by 40 students in an examination of 100 marks are given below.

Marks obtained  40-60 60-80 80-100
Number of students 10 20 10

Construct at first histogram and then frequency polygon in the same sheet.