Data Handling Test

Result

Data Handling Test - 27

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Weekly Quiz Competition

Question 1
1 / -0

The range of the data : $$21,6,17,18,12,8,4,13$$ is

A
17

B
12

C
8

D
15

Solution

In given data, the highest observation is $$21$$ and the lowest one is $$4$$.

Range $$=$$ Highest observation $$-$$ lowest observation
$$=21-4=17$$

Hence, option (A) is the correct answer.
Question 2
1 / -0

The median of the data : $$ 3,4,5,6,7,3,4$$ is

A
5

B
3

C
4

D
6

Solution

Rearranging the given data into ascending order, we get
$$3,3,4,4,5,6,7,$$
Total number of observations $$=7$$ which is odd
Hence, the $$4^{th}$$ term is the median.
$$\therefore$$ Median $$=4$$

Hence, option (C) is the correct answer.
Question 3
1 / -0

Which measure of central tendency best represents the data of the most popular politician after a debate?

A
Mean

B
Median

C
Mode

D
Any of the above

Solution

We know that, mode is the measure of central tendency, it is used to find that what occurs most often.
Question 4
1 / -0

Listed below are the temperatures in $$ ^oC $$ for $$ 10 $$ days. $$ -6,-8,0,3,2,0,1,5,4,4 $$
What is the range of the data?

A
$$ 8 $$

B
$$ 13^0 C $$

C
$$ 10^o C $$

D
$$ 12^o C $$

Solution

Range of data is $$ 13^o C $$ is
Range of data= Maximum temperature- Minimum temperature
$$ = 5-(-8)=5+8=13 $$.
Question 5
1 / -0

Observe the adjoining bar graph, showing the number of one-day international matches played by cricket teams of different countries. Choose the correct answer from the given four options:
How many more matches were played by India than Pakistan?

A
$$6$$

B
$$12$$

C
$$24$$

D
$$30$$

Solution

The given bar graph represents the number of matches played by cricket teams of different country.
We can prepare frequency table from given bar graph as follows:
Country No. of matches
India $$30$$
Pakistan $$24$$
West Indies $$20$$
England $$28$$
South Africa $$18$$
Australia $$32$$
Sri Lanka $$24$$
Total number of students $$=176$$.
Then, the number of more matches played by India than Pakistan
$$=$$ Number of matches played by India $$-$$ Number of matches played by Pakistan
$$=30-24=6$$ matches.
That is, India played $$6$$ matches more than Pakistan.
Hence, option $$A$$ is correct.
Question 6
1 / -0

The mean of the first $$6$$ odd natural numbers is

A
$$5$$

B
$$5.5$$

C
$$6$$

D
$$6.5$$

Solution

First 6 odd natural numbers are:
$$1, 3, 5, 7, 9, 11$$
$$1 + 3 + 5 + 7 + 9 + 11$$
Mean $$= \dfrac{1 + 3 + 5 + 7 + 9 + 11}{6}$$
$$= \dfrac{36}{6} = 6$$
Question 7
1 / -0

Observe the adjoining bar graph, showing the number of one-day international matches played by cricket teams of different countries. Choose the correct answer from the given four options:
Which country played maximum number of matches?

A
India

B
England

C
Pakistan

D
Australia

Solution

The given bar graph represents the number of matches played by cricket teams of different country.
We can prepare frequency table from given bar graph as follows:
Country No. of matches
India $$30$$
Pakistan $$24$$
West Indies $$20$$
England $$28$$
South Africa $$18$$
Australia $$32$$
Sri Lanka $$24$$
Total number of students $$=176$$.
The country that played maximum number of matches will have the highest number of matches.
Clearly, the maximum number of matches are played by Australia $$(32)$$.
Hence, option $$D$$ is correct.
Question 8
1 / -0

Observe the adjoining bar graph, showing the number of one-day international matches played by cricket teams of different countries. Choose the correct answer from the given four options:
Ratio of the number of matches played by India to the number of matches played by Sri Lanka is:

A
$$4 : 5$$

B
$$5 : 4$$

C
$$4 : 3$$

D
$$7 : 6$$

Solution

The given bar graph represents the number of matches played by cricket teams of different country.
We can prepare frequency table from given bar graph as follows:
Country No. of matches
India $$30$$
Pakistan $$24$$
West Indies $$20$$
England $$28$$
South Africa $$18$$
Australia $$32$$
Sri Lanka $$24$$
Total number of students $$=176$$.
Then, the ratio of number of matches played by India to the number of matches played by Sri Lanka
$$=\dfrac{\text{Number of matches played by India}}{\text{Number of matches played by Sri Lanka}}$$
$$=\dfrac{30}{24}=\dfrac{5}{4}=5:4$$.
Hence, the required ratio is $$5:4$$.
Therefore, option $$B$$ is correct.
Question 9
1 / -0

What is the mode of $$19, 19, 15, 20, 25, 15, 20, 15$$?

A
$$15$$

B
$$20$$

C
$$19$$

D
$$25$$

Solution

Since observation $$15$$ is occuring the most in the data:
$$19,19,15,20,25,15,20,15$$

So, the mode of the given data is $$15$$
.
Hence, the correct alternative answer is (A).
Question 10
1 / -0

Four alternative options are given for each of the following statement . Select the correct option .
The mean of score $$ 10 , 15 , 12 , 15 , 15 $$ is

A
$$ 15 $$

B
$$ 13 $$

C
$$ 13 . 4 $$

D
$$ 14 . 3 $$

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Data Handling Test - 27

Result

Data Handling Test - 27

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SHARING IS CARING

Question 1

17

12

8

15

Solution

Question 2

5

3

4

6

Solution

Question 3

Mean

Median

Mode

Any of the above

Solution

Question 4

$$ 8 $$

$$ 13^0 C $$

$$ 10^o C $$

$$ 12^o C $$

Solution

Question 5

$$6$$

$$12$$

$$24$$

$$30$$

Solution

Question 6

$$5$$

$$5.5$$

$$6$$

$$6.5$$

Solution

Question 7

India

England

Pakistan

Australia

Solution

Question 8

$$4 : 5$$

$$5 : 4$$

$$4 : 3$$

$$7 : 6$$

Solution

Question 9

$$15$$

$$20$$

$$19$$

$$25$$

Solution

Question 10

$$ 15 $$

$$ 13 $$

$$ 13 . 4 $$

$$ 14 . 3 $$

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