Presentation of Data Test

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Presentation of Data Test - 16

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Weekly Quiz Competition

Question 1
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Directions For Questions

In a school, the periodical examination is held every second month. In a session during April 2001 - March 2002, a student of Class IX appeared for each of the periodical exams. The aggregate marks obtained by him in each periodical exam are represented in the line graph given below.

...view full instructions

In which periodical exams there is a fall in percentage of marks as compared to the previous periodical exams ?

A
None

B
June, 01

C
Oct, 01

D
Feb, 02

Solution

As is clear from the graph, the total marks obtained in periodical exams, go on increasing. Since, the maximum marks for all the periodical exams are the same; it implies that the percentage of marks also goes on increasing.
Thus, in none of the periodical exams, there is a fall in percentage of marks compared to the previous exam.
Question 2
1 / -0

Identify the best practice(s) of data tabulation from the following:

A
use of space and varying size and bold-faced fonts

B
appropriate groupings

C
title and header formatting

D
All of the above

Solution

The best practices of the data tabulation is the use of space and varying size and bold-faced fonts, appropriate groupings, title and header formatting.
Question 3
1 / -0

Directions For Questions

The following line graph gives the annual percent profit earned by a Company during the period $$1995 - 2000.$$

...view full instructions

In which year is the expenditure minimum?

A
$$2000$$

B
$$1997$$

C
$$1996$$

D
Cannot be determined

Solution

The line graph gives the comparison of percent profit for different years but the comparison of the expenditures is not possible without more data.
Therefore, the year with minimum expenditure cannot be determined.
Question 4
1 / -0

Directions For Questions

The following line graph gives the annual percent profit earned by a Company during the period $$1995 - 2000.$$

...view full instructions

If the profit in 1999 was Rs. 4 crores, what was the profit in 2000?

A
Rs. 4.2 crores

B
Rs. 6.6 crores

C
Rs. 6.8 crores

D
Cannot be determined

Solution

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.
Question 5
1 / -0

The number of observations taken in an experiment determines :

A
the number of columns in a table

B
the number of rows in a table

C
the number of data in a table

D
All of the above

Solution

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.
Question 6
1 / -0

Identify the correct statement.

A
Graphical presentation of data is the basis for tabular representation.

B
Tabular presentation of data is the same as graphical representation.

C
Tabular presentation of data is the basis for graphical representation.

D
None of the above

Solution

The correct statement is tabular presentation of data is the basis for graphical representation.
Question 7
1 / -0

Directions For Questions

The contribution given by the students of Std. $$7$$ for Teacher's day is shown in the pie graph given below:

...view full instructions

How much contribution was given by Jafar?

A
$$10\%$$

B
$$15\%$$

C
$$18\%$$

D
$$20\%$$

Solution

$$Students\, Name$$ $$Contribution$$
$$(in\,Rs.)$$
$$Matri$$ $$30$$
$$Dev$$ $$12$$
$$Jafar$$ $$18$$
$$Riya$$ $$24$$
$$Anuj$$ $$36$$
$$Total$$ $$120$$
$$\Rightarrow$$ Money contributed by jafar $$=Rs.18$$
$$\Rightarrow$$ Total money collected as fund is $$Rs.120.$$
$$\Rightarrow$$ $$\%$$ of money contributed by jafar $$=\dfrac{18}{120}\times 100$$
$$=15\%$$
Question 8
1 / -0

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 $$4$$?

A
$$1$$

B
$$2$$

C
$$3$$

D
$$4$$

Solution

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.
Question 9
1 / -0

Directions For Questions

The adjoining pie chart gives the expenditure on various items during a month for a family.(The numbers written around the pie chart tell us the angles made by each sector at the centre.)

...view full instructions

If the monthly income of the family is Rs 9000, what is the expenditure on rent?

A
Rs 2250

B
Rs 2000

C
Rs2050

D
Rs 2500

Solution

$$\Rightarrow$$ Expenditure on rent $$(in\,sector)=90^o$$
$$\Rightarrow$$ Family's monthly income $$=Rs.9000$$
$$\Rightarrow$$ Expenditure on rent $$=\dfrac{90^o}{360^o}\times Rs.9000$$
$$=\dfrac{1}{4}\times R.9000$$
$$=Rs.2250$$
Question 10
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Directions For Questions

The contribution given by the students of Std. $$7$$ for Teacher's day is shown in the pie graph given below:

...view full instructions

Who contributed the least fund?

A
Jafar

B
Dev

C
Riya

D
Matri

Solution

$$Students\, Name$$ $$Contribution$$
$$(in\,Rs.)$$
$$Matri$$ $$30$$
$$Dev$$ $$12$$
$$Jafar$$ $$18$$
$$Riya$$ $$24$$
$$Anuj$$ $$36$$
$$Total$$ $$120$$
$$\Rightarrow$$ From table we can see, $$Dev$$ contributed least fund which is $$Rs.12.$$

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$$Students\, Name$$	$$Contribution$$ $$(in\,Rs.)$$
$$Matri$$	$$30$$
$$Dev$$	$$12$$
$$Jafar$$	$$18$$
$$Riya$$	$$24$$
$$Anuj$$	$$36$$
$$Total$$	$$120$$

Presentation of Data Test - 16

Result

Presentation of Data Test - 16

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SHARING IS CARING

Question 1

None

June, 01

Oct, 01

Feb, 02

Solution

Question 2

use of space and varying size and bold-faced fonts

appropriate groupings

title and header formatting

All of the above

Solution

Question 3

$$2000$$

$$1997$$

$$1996$$

Cannot be determined

Solution

Question 4

Rs. 4.2 crores

Rs. 6.6 crores

Rs. 6.8 crores

Cannot be determined

Solution

Question 5

the number of columns in a table

the number of rows in a table

the number of data in a table

All of the above

Solution

Question 6

Graphical presentation of data is the basis for tabular representation.

Tabular presentation of data is the same as graphical representation.

Tabular presentation of data is the basis for graphical representation.

None of the above

Solution

Question 7

$$10\%$$

$$15\%$$

$$18\%$$

$$20\%$$

Solution

Question 8

$$1$$

$$2$$

$$3$$

$$4$$

Solution

Question 9

Rs 2250

Rs 2000

Rs2050

Rs 2500

Solution

Question 10

Jafar

Dev

Riya

Matri

Solution

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