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CBSE Questions for Class 11 Commerce Economics Presentation Of Data Quiz 4 - MCQExams.com
CBSE
Class 11 Commerce Economics
Presentation Of Data
Quiz 4
If the profit in 1999 was Rs. 4 crores, what was the profit in 2000?
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0%
Rs. 4.2 crores
0%
Rs. 6.6 crores
0%
Rs. 6.8 crores
0%
Cannot be determined
Explanation
From the line-graph we obtain information about the percentage profit only. To find the profit in 2000 we must have the data for the income or expenditure in 2000.
Therefore, the profit for 2000 cannot be determined.
The number of observations taken in an experiment determines :
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0%
the number of columns in a table
0%
the number of rows in a table
0%
the number of data in a table
0%
All of the above
Explanation
The number of observations taken in an experiment determines the number of rows in a table and the number of variable quantities measured determines the number of columns in a table.
Identify the correct statement.
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Graphical presentation of data is the basis for tabular representation.
0%
Tabular presentation of data is the same as graphical representation.
0%
Tabular presentation of data is the basis for graphical representation.
0%
None of the above
Explanation
The correct statement is tabular presentation of data is the basis for graphical representation.
To attain speed and ease of interpretation of a table, data presentation should be tabulated by efficiently manipulating:
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0%
contrast
0%
alignment
0%
spacing
0%
ordering
Explanation
To attain the speed and ease of interpretation of a table, data representation should be tabulated by efficiently manipulating in contrast, alignment, spacing and ordering.
In which game, least number of students took part?
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0%
High jump
0%
Running
0%
Long jump
0%
Lemon and spoon
Explanation
$$Sports$$
$$Participated \,Students$$
$$(in\,degree)$$
$$Shot-put$$
$$60^o$$
$$Running$$
$$108^o$$
$$Long\,Jump$$
$$72^o$$
$$Lemon\,and\,spoon$$
$$90^o$$
$$High-Jump$$
$$30^o$$
$$\Rightarrow$$ From above table we can see, in $$High-Jump$$ least number of students took part.
How much contribution was given by Jafar?
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0%
$$10\%$$
0%
$$15\%$$
0%
$$18\%$$
0%
$$20\%$$
Explanation
$$Students\, Name$$
$$Contribution$$
$$(in\,Rs.)$$
$$Matri$$
$$30$$
$$Dev$$
$$12$$
$$Jafar$$
$$18$$
$$Riya$$
$$24$$
$$Anuj$$
$$36$$
$$Total$$
$$120$$
$$\Rightarrow$$ Money contributed by jafar $$=Rs.18$$
$$\Rightarrow$$ Total money collected as fund is $$Rs.120.$$
$$\Rightarrow$$ $$\%$$ of money contributed by jafar $$=\dfrac{18}{120}\times 100$$
$$=15\%$$
The data for test scores out of $$5$$ for $$10$$ students is given below:
$$3,4,1,3,5,2,4,1,3,2$$
Tabulate the given data and answer the questions.
How many students scored $$4$$ or more than $$4$$?
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$$1$$
0%
$$2$$
0%
$$3$$
0%
$$4$$
Explanation
Two students scored $$4$$ and one student scored $$5$$
So the number of students scored $$4$$ or more than $$4$$ $$=3$$
Option $$C$$ is correct.
If the monthly income of the family is Rs 9000, what is the expenditure on rent?
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0%
Rs 2250
0%
Rs 2000
0%
Rs2050
0%
Rs 2500
Explanation
$$\Rightarrow$$ Expenditure on rent $$(in\,sector)=90^o$$
$$\Rightarrow$$ Family's monthly income $$=Rs.9000$$
$$\Rightarrow$$ Expenditure on rent $$=\dfrac{90^o}{360^o}\times Rs.9000$$
$$=\dfrac{1}{4}\times R.9000$$
$$=Rs.2250$$
In which over maximum runs were scored?
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0%
First over
0%
Third over
0%
Fourth over
0%
Fifth over
Explanation
$$\Rightarrow$$ We have construct following table from given pie graph :
$$Overs$$
$$Runs\,scored$$
$$First$$
$$6$$
$$Second$$
$$0$$
$$Third$$
$$12$$
$$Fourth$$
$$14$$
$$Fifth$$
$$18$$
$$\Rightarrow$$ From above table we can see maximum runs scored in $$Fifth\, over$$ which is $$18.$$
Who contributed the least fund?
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0%
Jafar
0%
Dev
0%
Riya
0%
Matri
Explanation
$$Students\, Name$$
$$Contribution$$
$$(in\,Rs.)$$
$$Matri$$
$$30$$
$$Dev$$
$$12$$
$$Jafar$$
$$18$$
$$Riya$$
$$24$$
$$Anuj$$
$$36$$
$$Total$$
$$120$$
$$\Rightarrow$$ From table we can see, $$Dev$$ contributed least fund which is $$Rs.12.$$
Person
$$A$$
$$B$$
$$C$$
$$D$$
$$E$$
Profeesion
Hort.
Indust.
Phys.
Journa.
Advocate
Choice
Tea
Coffee
Tea
Coffee
Tea
Which of the following groups includes a person who likes tea but is not an advocate?
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0%
$$ACE$$
0%
$$DE$$
0%
$$BCE$$
0%
None of these
Explanation
From table,A and C prefer Tea who are not advocate.
How many runs were scored in the third over?
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0%
$$18\%$$
0%
$$20\%$$
0%
$$24\%$$
0%
$$2\%$$
Explanation
$$Overs$$
$$Runs\,scored$$
$$First$$
$$6$$
$$Second$$
$$0$$
$$Third$$
$$12$$
$$Fourth$$
$$14$$
$$Fifth$$
$$18$$
$$Total$$
$$50$$
$$\Rightarrow$$ Total runs scored in $$5$$ overs $$=50$$
$$\Rightarrow$$ Runs scored in third over $$=12$$
$$\Rightarrow$$ $$\%$$ of runs scored in third over $$=\dfrac{12}{50}\times 100=24\% $$
The total agricultural land in a village is $$1200$$ hectares. This is distributed among $$320$$ families who form four groups in the following pattern. It is assumed that the land is distributed equally within each group. Identify the group of small farmers
Group
Number of families
Total amount of land owned and operated
by each group (in hectares)
A
100
300
B
180
300
C
30
300
D
10
300
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A
0%
B
0%
C
0%
D
Explanation
In group of small farmers, it would be minimum land available to each farmer.
So we will find the ration of total amount of land owned and operated by each group to the number of families.
From A, $$\dfrac {300}{100} = 3$$
From B, $$\dfrac {300}{180} = 1.67$$
From C, $$\dfrac{300}{30} = 10$$
From D, $$\dfrac {300}{10} = 30$$
B is the group of small farmers.
Option B is correct.
Person
$$A$$
$$B$$
$$C$$
$$D$$
$$E$$
Profeesion
Hort.
Indust.
Phys.
Journa.
Advocate
Choice
Tea
Coffee
Tea
Coffee
Tea
Who is the industrialist?
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0%
$$E$$
0%
$$C$$
0%
$$B$$
0%
$$A$$
Explanation
From table,B is Industrialist.
In which over, not a single run was scored?
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0%
First over
0%
Second over
0%
Fourth over
0%
Fifth over
Explanation
$$Overs$$
$$Runs\,scored$$
$$First$$
$$6$$
$$Second$$
$$0$$
$$Third$$
$$12$$
$$Fourth$$
$$14$$
$$Fifth$$
$$18$$
$$\Rightarrow$$ From above table we can see in second over not a single run was scored.
How many students took part in lemon and spoon race?
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0%
$$10$$ students
0%
$$12$$ students
0%
$$15$$ students
0%
none
Explanation
$$\Rightarrow$$ Total number of students participated in sports $$=60$$
$$\Rightarrow$$ Students who took part in lemon and spoon race ( in degree) $$=90^o$$
$$\Rightarrow$$ Number of s
tudents who took part in lemon and spoon race $$=\dfrac{90^o}{360^o}\times 60$$
$$=15\,students$$
Person
$$A$$
$$B$$
$$C$$
$$D$$
$$E$$
Profeesion
Hort.
Indust.
Phys.
Journa.
Advocate
Choice
Tea
Coffee
Tea
Coffee
Tea
Who is the horticulturist?
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0%
$$A$$
0%
$$B$$
0%
$$C$$
0%
$$D$$
Explanation
From table,A is horticulturist.
In which game, maximum number of students took part?
Report Question
0%
Running
0%
Shot-put
0%
Long Jump
0%
None of these
Explanation
$$\Rightarrow$$ Total number of students participated in sports $$=60$$
$$\Rightarrow$$ In running maximum number of students took part which is $$108^o$$.
$$\Rightarrow$$ Total number of students took part in running $$=\dfrac{108^o}{360^o}\times 60=18\,students$$
Weighted averages are considered when __________________.
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the data are not classified
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the data are put in the form of grouped frequency distribution
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all the observations are not equal importance
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Both (A) and (C)
_______ bar diagrams are
used for comparing two or more sets of
data.
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0%
Simple
0%
Component
0%
Multiple
0%
All of the above
Explanation
Multiple Bar Diagram are those diagrams which show two or more sets of data simultaneously. These diagrams are used to make comparisons between two sets of series of data.
Fill the Alternative given in the bracket:
___________ represent two or more sets of interrelated data.
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0%
simple tables
0%
simple bar diagram
0%
multiple bar diagram
0%
component bar diagram
What is the objective and significance of statistical averages?
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To present huge mass of data in a summarized form
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To facilitate comparison of different sets of data
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To help in decision making
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All of above
The given pictograph shows the number of students of class V participated in different games at Annual Diwali Mela.
How many students took part in the game of ring the bottle?
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$$5$$
0%
$$17$$
0%
$$85$$
0%
$$90$$
Explanation
Number of students who participated in ring the bottle = $$17 \times 5 = 85$$
'More than' ogive is ________.
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An ascending curve
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A descending curve
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First ascending curve and then descending curve
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First descending curve and then ascending curve
Explanation
More than ogive looks like an elongated 'S' turned upside down. Hence, it is a decreasing curve
From the table, answer the following question.
The percentage of decrease in speed during $$19.00$$ hrs and $$21.00$$ hrs is ____________.
Time(in hrs)
$$5$$
$$7$$
$$9$$
$$11$$
$$13$$
$$17$$
$$15$$
$$19$$
$$21$$
Speed (in km/hour)
$$40$$
$$50$$
$$60$$
$$80$$
$$70$$
$$65$$
$$75$$
$$60$$
$$50$$
Report Question
0%
$$\displaystyle 16\frac{1}{3}\%$$
0%
$$\displaystyle 16\frac{2}{3}\%$$
0%
$$\displaystyle 17\frac{2}{3}\%$$
0%
$$\displaystyle 18\frac{2}{3}\%$$
Explanation
Speed at $$19.00$$ hrs.$$=60$$ km/hr
And speed at $$21.00$$ hrs.$$= 50$$ km/hr
Thus, $$\% $$ decrease $$=\dfrac{60-50}{60}\times 100=16\dfrac{2}{3}\%$$
Fill the Alternative given in the bracket:
__________ represent 2 or more sets of interrelated data.
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0%
Simple bar diagram
0%
Multiple bar diagram
0%
Sub - divided bar diagram
0%
Percentage bar diagram
The given pictograph shows the number of students of class V participated in different games at Annual Diwali Mela. How many more students participated in ring the prize than in estimating weight and knock the stuff toy altogether?
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0%
$$51$$
0%
$$96$$
0%
$$42$$
0%
$$83$$
Explanation
Number of students who participated in estimating weight = $$17 \times 3 = 51$$
Number of students who participated in knock the stuff toy = $$17 \times 3 = 51$$
So, total number of students who participated in estimating weight and throwing the ball altogether = $$51+51=102$$
Now, number of students who participated in ring the prize = $$17 \times 9= 153$$
$$\therefore$$ Required difference = $$153-102=51$$
Pictograms are _______.
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least accurate
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very accurate
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mostly used
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scientifically correct
In a bar diagram, the base line is __________.
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horizontal
0%
vertical
0%
false base line
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any of the above
Choose the correct answer from the alternatives given.
What is the budget estimated by the family on clothing and grocery together?
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0%
Rs. $$8850$$
0%
Rs. $$8690$$
0%
Rs. $$8780$$
0%
Rs. $$8960$$
Explanation
Budget estimated on clothing and grocery $$= (8 + 20)\% = 28\%$$
i.e $$28\%$$ of $$32000$$
$$= \, \dfrac{28}{100} \, \times \, 32000 \, = \, Rs. 8960$$
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