MEDIUM
8th CBSE
IMPORTANT
Earn 100

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

Earnings (in ) 800 1300 1700 2300 2800 3200 3400
Number of shops 7 9 2 5 17 7 4

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

Important Questions on Data Handling

MEDIUM
8th CBSE
IMPORTANT

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:

Marks in
class intervals
Tally marks

Frequency
(Number of students)

40-50    
50-60    
60-70    
70-80    
80-90    

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

MEDIUM
8th CBSE
IMPORTANT

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

Years Number of workshops
1995-1996 25
1996-1997 30
1997-1998 44
1998-1999 52
1999-2000 65

Draw a histogram representing the above data.

MEDIUM
8th CBSE
IMPORTANT

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

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

MEDIUM
8th CBSE
IMPORTANT

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

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

EASY
8th CBSE
IMPORTANT

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

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What is the size of classes?

MEDIUM
8th CBSE
IMPORTANT

The following data represents the different type of animals and their numbers in a zoo. Prepare a pie chart for the given data.

Animals Number of animals
Deer 42
Elephants 15
Giraffe 26
Reptiles 24
Tiger 13
MEDIUM
8th CBSE
IMPORTANT

For the development of basic infrastructure in a district, a project of 108 crore approved by Development Bank is as follows:

Item head Road Electricity Drinking Water Sewerage
Amount (in crore Rs) 43.2 16.2 27.0 21.6

Draw a pie chart for the above data.

MEDIUM
8th CBSE
IMPORTANT

The pie chart (as shown) represents the amount spent on different sports by a sports club in a year. If the total money spent by the club on sports is 300000, then find the amount spent on each sport.

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