MEDIUM
8th CBSE
IMPORTANT
Earn 100

Draw a histogram for the frequency distribution of the following data:

Class interval 8-13 13-18 18-23 23-28 28-33 33-38 38-43
Frequency 320 780 160 540 260 80 80

Important Questions on Data Handling

MEDIUM
8th CBSE
IMPORTANT

Draw a histogram for the frequency distribution of the following data:

Class interval 20-25 25-30 30-35 35-40 40-45 45-50
Frequency 30 24 52 28 46 10
HARD
8th CBSE
IMPORTANT

Draw a histogram for the following data:

Class interval 600-640 640-680 680-720 720-760 760-800 800-840
Frequency 18 45 153 288 171 63

 

MEDIUM
8th CBSE
IMPORTANT

The following table shows the number of illiterate persons in the age group (10-58 years) in a town. Represent the given data by means of a histogram.

Age group (in years) 10-18 18-26 26-34 34-42 42-50 50-58
Number of illiterate persons 175 325 100 150 250 525

 

HARD
8th CBSE
IMPORTANT

The marks obtained (out of 20) by 30 students of a class in a test are given below:

7,10,8,16,13,14,15,11,18,11,15,10,7,14,20,19,15,16,14,20,10,11,14,17,13,12,15,14,16,17

Prepare a frequency distribution table for the above data using class intervals of equal width in which one class interval is 3-8 (including 3 and excluding 8). From the frequency distribution table so obtained, draw a histogram.

MEDIUM
8th CBSE
IMPORTANT

The weights in kg of 30 students of a class are

39,43,32,37,29,26,31,45,46,31,37,38,30,39,36,41,35,34,41,46,39,38,36,38,40,42,33,43,44,33

Prepare a frequency distribution table using one class interval as 30-35, in which 30 is included and 35 excluded. using the above data, draw a histogram.

EASY
8th CBSE
IMPORTANT

Look at the histogram given below and answer the question that follows:

Question Image

 How many students have height more than or equal to 135 cm but less than 150 cm?

EASY
8th CBSE
IMPORTANT

Look at the histogram given below and answer the question that follows:

Question Image

Which class interval has the least number of students?

EASY
8th CBSE
IMPORTANT

Look at the histogram given below and answer the question that follows:

Question Image

What is the class size?