Descriptive Statistics Test 4

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Descriptive Statistics Test 4

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Question 1
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.

A
$$6$$

B
$$10$$

C
$$12$$

D
$$26$$

Solution

$$\Rightarrow$$ $$\square\,\square\,\square\,\square\,\square\,\square$$ stands for $$30.$$
$$\Rightarrow$$ $$6$$ squares stands for $$30$$
$$\Rightarrow$$ $$1$$ square $$=\dfrac{30}{6}=5$$
$$\therefore$$ $$\square=5$$
$$\Rightarrow$$ $$\square\,\square=2\times 5=10$$
$$\therefore$$ $$\square\,\square$$ stands for $$10$$
Question 2
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Study the graph below showing the position of 3 runners, Pooja, Mayur and Hemant at two different times.
Who has run the fastest in between the 2nd and the 4th minute?

A
Pooja

B
Mayur

C
Hemant

D
Both Pooja and Hemant

Solution

(A) Pooja has covered about 44 m, Mayur about 35 m and Hemant about 30 m

in the 2 minutes between the 2nd and the 4th minutes. Therefore Pooja

is the fastest.
Question 3
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Directions For Questions

The pictograph given below shows how many persons travelled from city A to city B by bus on each of the days of a certain. week:
Study the pictograph carefully and answer the questions from 6 to 8?

...view full instructions

On which day the bus was most crowded?

A
Friday

B
Saturday

C
Sunday

D
Monday

Solution

On Monday the bus was most crowded.
Hence the answer is option D
Question 4
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Which of the following statements is not correct for a bar graph?

A
All bars have different thickness

B
Distance between two consecutive bars is the same

C
The bars can touch each other

D
The thickness has no significance

Solution

Statement $$A$$ is false as a bar graph has bars of uniform thickness.
Question 5
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If O represents $$5$$ eggs then how many eggs does OOOO represent?

A
$$4$$

B
$$16$$

C
$$20$$

D
$$25$$

Solution

Given, O represents $$5$$ eggs
$$\therefore$$ OOOO represents $$ 5\times 4 =20$$ eggs.
Question 6
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The pictograph below shows the amount of money each class raised for an animal shelter

A
Rs. $$10$$

B
Rs. $$40$$

C
Rs. $$50$$

D
Rs. $$100$$

Solution

If class iv raised $$200$$,
then each $$ \lozenge$$=$$\frac{200}{4}$$=$$Rs50$$
$$\therefore$$ Amount money raised each class is $$50$$
Question 7
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The given line graph shows the growth rate of a kitten During which $$2$$ month period the kittens weight increased the most

A
$$0$$ to $$2$$ months

B
$$2$$ to $$4$$ months

C
$$4$$ to $$6$$ months

D
$$6$$ to $$8$$ months

Solution

The line graph shown is steepest from the period of $$2$$ months to $$4$$ months showing that the growth is maximum
Question 8
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The population of four towns $$A, B, C$$ and $$D$$ as in $$2011$$ are as follows:
Town Population
$$A$$ $$6863$$
$$B$$ $$519$$
$$C$$ $$12185$$
$$D$$ $$1755$$
What is the most appropriate diagram to present the above data ?

A
Pie chart

B
Bar chart

C
Histogram

D
Line graph

Solution

Since, there are only two variables (Town and Population) and only $$4$$ data points. Thus, a bar graph can be used to compare the population in the four towns.
Question 9
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A graph drawn using vertical bars is called

A
Bar graph

B
Line graph

C
Pictograph

D
Pie graph

Solution

Bar graph represents the data in the form of vertical bars.
Question 10
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Directions For Questions

Answer the following set of questions by reading the above pictograph.

...view full instructions

Number of TV sets sold in the year $$1995$$ is

A
$$1000$$

B
$$500$$

C
$$50$$

D
$$2000$$

Solution

$$1995=\square\times 1$$
Each $$ \square=500 $$ TV sets
On $$1995$$ no. of TV sold$$=500$$