Tag: statistics

Questions Related to statistics

The following table gives information regarding land holdings of household of a village 

Size of land holding  Number of houehold
More than 1 acre 1727
More than 2 acre 1268
More than 3 acre 378
More than 4 acre 155
More than 5 acre 52

in the village there are 2270 households. The number of households having land up to 1 acre is 

  1. 1727

  2. 459

  3. 543

  4. 378


Correct Option: C
Explanation:

Total no. of households in the village $=2270$

Total no. of households in the village who has land more than one acre $=1727$

Hence,
Total no. of households having land up to one acre $=2270-1727\Rightarrow 543.$

There are $500$ students in a class in which there are $100$ boys. 50 boys like Mathematics and 100 girls dislike Mathematics. Tabulate the given data and calculate the number of girls who like the subject Mathematics.

  1. $50$

  2. $100$

  3. $150$

  4. $300$


Correct Option: D
Explanation:
   Like Mathematics  Dislike Mathematics
 No. of Boys                 $50$                     $y$ 
 No. of Girls                  $x$                   $100$

Total number of students $= 500$

Number of boys $= 100$
Number of girls $= 400$

$50 + y = 100$               $\Rightarrow y= 50$
$x + 100 = 400$             $\Rightarrow x= 300$

$\therefore$ Number of girls who like Mathematics $= 300$

The population of Maharashtra is $100$ lacs, Madhya Pradesh is $125$ lacs and that of Haryana is $75$ lacs. Tabulate this data and find the total population of all the three states.

  1. $200$ lacs

  2. $225$ lacs

  3. $300$ lacs

  4. $420$ lacs


Correct Option: C
Explanation:
 State  Maharashtra  Madhya Pradesh  Haryana
 Population  $100$ lacs  $125$ lacs  $75$ lacs

Total population of all the three states $= 100 + 125 + 75 = 300$ lacs

In a factory, there are $1000$ workers out of which $400$ are men and $100$ are married. Out of $600$ women, $300$ are married. Tabulate this data and calculate the total number of unmarried workers.

  1. $400$

  2. $600$

  3. $700$

  4. $800$


Correct Option: B
Explanation:
   Married Workers Unmarried Workers
 Men                 $100$                      $x$
 Women                 $300$                      $y$


Total number of men $= 400$
$\therefore 100 + x = 400$
                $x = 300$

Total number of women $= 600$
$\therefore 300 + y = 600$
                $y = 300$
Total number of unmarried workers $= x + y = 600$

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  find how many students scored $3$ or more than $3$ marks?

  1. $5$

  2. $6$

  3. $8$

  4. $10$


Correct Option: B
Explanation:
|  Number greater than and equal to $3$ |  Number of times | | --- | --- | |  $3$ |  $3$ | |  $4$ |  $2$ | |  $5$ |  $1$ |
The number to be counted from the test score will be $3$, $ 4$and $5$
In the following data, 
we observe that $3$ will be three times
$4$ will be two times.
$5$ will be one time
$(3+2+1)=6$ students scored $3$ or more than $3$ marks.

 When the quantity of data is not too large _______ form of presentation is more suitable.




  1. textual

  2. tabular

  3. graphical

  4. none of these


Correct Option: A

When data are tabulated on the basis of  hours, days, weeks, months, years, etc it is called _________ classification.


  1. spatial

  2. temporal

  3. quantitative

  4. none of the above 


Correct Option: B

The _____ of a table narrates about the contents of the table.

  1. table number

  2. title

  3. caption

  4. heading


Correct Option: B
Explanation:

A table must have a title that narrates about the content of the table. It should be written in bold on top of the table.
The title must be simple, clear and short to explain the data correctly.

In _______ classification, the data are classified on the basis of characteristics which can be measured quantitatively..

  1. quantitative

  2. temporal

  3. spatial

  4. none of the above 


Correct Option: A

When classification is done according to qualitative characteristics like social status, physical status, nationality, etc., it is called ______ classification.

  1. temporal

  2. qualitative

  3. spatial

  4. none of these


Correct Option: B