Organisation of Data Test

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Organisation of Data Test - 10

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Weekly Quiz Competition

Question 1
1 / -0

When the raw data is arranged in ascending or descending order, then the data is called _____.

A
processed data

B
secondary data

C
arrayed data

D
raw data

Solution

When the raw data is arranged in ascending or descending order, then the data is called arrayed data.
Example: The marks obtained by $$5$$ students in a Science test as given below in raw data:
$$70, 100, 45, 80, 55$$
Raw data into Arrayed data: $$45, 55, 70, 80, 100$$
Question 2
1 / -0

Which one of the following data is in form of arrayed data?

A
$$23, 45, 1, 89, 20, 10$$

B
$$23, 17, 3, 89, 90, 89$$

C
$$23, 25, 12, 8, 20, 56$$

D
$$1, 10, 20, 23, 45, 89$$

Solution

The last option is in form of arrayed data.
Since the data are arranged in ascending order.
Question 3
1 / -0

Classification of population on the basis of weight, age, income, etc is called _______.

A
spatial classification

B
qualitative classification

C
quantitative classification

D
chronological classification
Question 4
1 / -0

When population of a country is grouped on the basis of gender, it is _________.

A
qualitative classification

B
quantitative classification

C
spatial classification

D
none of these
Question 5
1 / -0

The number of traffic citations issued during last $$5$$ months in Mumbai city, is $$24, 30, 12, 11$$ and $$7$$. What kind of data is used?

A
processed data

B
secondary data

C
arrayed data

D
raw data

Solution

The data are in the form of raw data. $$24, 30, 12, 11$$ and $$7$$.
Since the data are given randomly.
Question 6
1 / -0

When we have a large number of observations, the data can be fitted in a ________.

A
two way classification table

B
one way classification table

C
three way classification table

D
none of the above
Question 7
1 / -0

Length of the class $$11-20$$ is ______.

A
$$9$$

B
$$10$$

C
$$11$$

D
$$20$$

Solution

Length of a class is given by $$b-a$$, where $$b$$ and $$a$$ are the upper and lower limits of the class respectively.
$$\therefore$$ length $$=20-11=9$$
Option $$A$$ is correct.
Question 8
1 / -0

In a frequency distribution with classes $$(1-8),(9-16),(17-24).... $$the class interval is

A
8

B
9

C
7

D
3

Solution

Class interval$$=$$(high$$-$$low value $$+1$$)
$$=8-1+1$$
$$=8$$.
Question 9
1 / -0

In a frequency distance with classes $$0-10, 10-20$$ and so on, the size of class interval is $$10$$. lower limit of fourth class is

A
$$40$$

B
$$50$$

C
$$20$$

D
$$30$$

Solution

Classes - $$0-10, 10-20, 20-30, 30-40$$
Hence, lower limit of fourth class is $$30$$
Question 10
1 / -0

Count the tally marks

A
$$4$$

B
$$5$$

C
$$6$$

D
$$3$$

Solution

Tally marks are given by counting total number of vertical and slant line.
Thus the count from the given data is $$5$$.

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Re-Attempt Weekly Quiz Competition

Organisation of Data Test - 10

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Organisation of Data Test - 10

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SHARING IS CARING

Question 1

processed data

secondary data

arrayed data

raw data

Solution

Question 2

$$23, 45, 1, 89, 20, 10$$

$$23, 17, 3, 89, 90, 89$$

$$23, 25, 12, 8, 20, 56$$

$$1, 10, 20, 23, 45, 89$$

Solution

Question 3

spatial classification

qualitative classification

quantitative classification

chronological classification

Question 4

qualitative classification

quantitative classification

spatial classification

none of these

Question 5

processed data

secondary data

arrayed data

raw data

Solution

Question 6

two way classification table

one way classification table

three way classification table

none of the above

Question 7

$$9$$

$$10$$

$$11$$

$$20$$

Solution

Question 8

8

9

7

3

Solution

Question 9

$$40$$

$$50$$

$$20$$

$$30$$

Solution

Question 10

$$4$$

$$5$$

$$6$$

$$3$$

Solution

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