### Data Handling - Worksheets

CBSE Worksheet-1

CLASS – VII Mathematics (Data Handling)

Choose correct option in questions 1 to 4.

- The ages in years of 10 teachers of a school are: 32, 41, 28, 54, 35, 26, 23, 33, 38, 40.

What is the age of the oldest teacher?

a) 54 years

b) 23 years

c) 40 years

d) 28 years - Following are the marks in a class assessment. What is the range of the data?

4, 6, 7, 5, 3, 5, 4, 5, 2, 6, 2, 5, 1, 9, 6, 5, 8, 4, 6, 7.

a) 9

b) 8

c) 1

d) 2 - The mode of the given set of numbers: 1, 1, 2, 4, 3, 2, 1, 2, 2, 4 is _____.

a) 4

b) 3

c) 2

d) 1 - Find the median of the data: 24, 36, 30, 15, 17, 18, 25, 35.

a) 20

b) 24

c) 17

d) 25

Fill in the blanks:

- _________ is a measure of the central tendency of the group of data.
- The _______ is always one of the numbers in a data.
- A _________ is a representation of numbers using bars of uniform widths.
- John studies for 4 hours, 5 hours and 3 hours respectively on three consecutive days. How many hours does he study daily on an average?
- A cricketer scores the following runs in eight innings: 58, 76, 40, 35, 46, 45, 0, 100

Find the mean score. - Two hundred students of 6th and 7th class were asked to name their favourite colour soas to decide upon what should be the colour of their School Building. The results are shown in the following table. Represent the given data on a bar graph.
Favourite Colour

Red

Green

Blue

Yellow

Orange

Number of Students

43

19

55

49

34

CBSE Worksheet-1

CLASS – VII Mathematics (Data Handling)

Answer key

- a
- b
- c
- d
- Average
- mode
- bar graph
- 4 hours
- 50