Free Data Handling 02 Practice Test - 4th Grade 

Question 1

Data available in unorganized form is called :

A. Bar graph
B. Raw data
C. Information
D. Organised data

SOLUTION

Solution : B

Raw data is the data that has not been organised well enough for use.
Example:
Given below are the marks (out of 25) obtained by 10 students of class (V A) in mathematics in a test.
18, 16, 12, 10, 5, 5, 4, 19, 20, 10

Question 2

A graph that presents data with rectangular bars with heights or lengths proportional to the values that they represent is :

A. Bar Graph
B. Pie Chart
C. Pictograph
D. Raw data

SOLUTION

Solution : A

A bar graph is a graph that presents data with rectangular bars having heights or lengths showing the values that they represent.

Question 3

The temperature of a certain place, recorded for ten days (in ∘C) is as follows:6,8,0,3,2,0,1,5,4,4

How many days had a temperature of less than 4∘C?

A. 4
B. 3
C. 2
D. 5

SOLUTION

Solution : D

Arranging the data in ascending order, we get, 0,0,1,2,3,4,4,5,6,8.

On observing, there are 5 days(0,0,1,2,3) that had a temperature of less than 4° C.

Question 4

Find the frequency of "K"in the given data set: 
K, J, F, J, A, J, N, S, A, J, A, W, P, J, A, H, A, P, O, W, J, K, Z.

A. 1
B. 2
C. 3
D. 4

SOLUTION

Solution : B

The number of times a particular value of data occurs is known as frequency. 
Here, in the given data set:
K, J, F, J, A, J, N, S, A, J, A, W, P, J, A, H, A, P, O, W, J, K, Z.

we observe that K is occurring twice, therefore the frequency of K is 2.

Question 5

In a bar graph, the distance between two bars may not be the same. 

A. False
B. True

SOLUTION

Solution : A

In a bar graph, we follow these rules
1)The width of the bars should be uniform throughout.
2)The gap between one bar and another should be equal throughout.

Question 6

Find the frequency of symbol ‘+’:
 ×, ×, ÷, -, ×, +, +, ÷, ×, +, -, +, +, -, ÷, ×

A. 3
B. 4
C. 5
D. 6

SOLUTION

Solution : C

The number of times a particular value of data occurs is known as frequency. 


Given:
×, ×, ÷, -, ×, +, +, ÷, ×, +, -, +, +, -, ÷, ×

We observe that the '+' symbol is occurring 5 times and therefore the frequency of + is 5.

Question 7

The number of members in 20 families are given as follows:
 4,6,5,5,4,6,3,3,5,5,3,5,4,4,6,7,3,5,5,7

How many families have less than 5 members?

A. 7
B. 8
C. 6
D. 5

SOLUTION

Solution : B

4, 6, 5, 5, 4, 6, 3, 3, 5, 5, 3, 5, 4, 4, 6, 7, 3, 5, 5, 7

Here, we see the number of families with 3 members is 4 and with 4 members is also 4.

So, the number of families with less than 5 members is 8.

Question 8

The daily rainfall data of a week is shown below. What is the total amount of rainfall on Wednesday? (1 drop = 2 inches of rain)

A. 36 inches
B. 16 inches
C. 32 inches
D. 20 inches

SOLUTION

Solution : B

Given:
1 drop = 2 inches 
Wednesday = 8 drops of rain

Therefore, inches of rain on Wednesday =2×8=16 inches

Question 9

The daily rainfall data of a week is shown. What is the total rainfall on Saturday and Sunday?

A. 56 inches
B. 52 inches
C. 68 inches
D. 64 inches

SOLUTION

Solution : B

Given:
1 drop = 4 inches of rain

Number of drops on Saturday = 4 drops
Number of drops on Sunday = 9 drops
Therefore inches of rain on Saturday and Sunday
=(4+9)×4
=13×4=52 inches

Question 10

Number of rows in the table given below is ______.

            ItemQuantityRasagulla25Gulab jamun30Ladoo18Vanilla cake21

A. 2
B. 5
C. 10
D. 8

SOLUTION

Solution : B

Data written horizontally are called rows. 
From this table, we figure out that 4 different sweet items are given with 1 row for the header.
Thus, there are totally five rows present in the given table.
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