Tag: statistics

Questions Related to statistics

The data given as 22,27,28,29,35,37,55,62 will be called as ________.

  1. a continuous series

  2. a discrete series

  3. an individual series

  4. time series


Correct Option: C

Which of the following is not two-dimensional diagram? 

  1. Pie-chart

  2. Multiple bar diagram

  3. Rectangular diagram

  4. Square diagram


Correct Option: B

The following series is of the type of

Year Population in a particular city
1995 19,00,000
1996 19,20,000
1997 25,00,000
1998 25,50,000
  1. individual series

  2. geographical

  3. discrete series

  4. time series


Correct Option: D

Simple tabulation gives information about several ___________ characteristics.

  1. independent

  2. dependent

  3. categorized

  4. None of these


Correct Option: B
Explanation:
Characteristics has to be dependent to be tabulated.
Simple tabulation provide information about various dependent characteristics.

In tabulation, the source of the data, if any, is shown in the ________.

  1. footnotes

  2. body

  3. stub

  4. caption


Correct Option: A

__________ are used to clarify anything which is not otherwise clear by the heading, title, captions, stub etc.

  1. Source Note

  2. Footnotes

  3. IMP Notes

  4. None of above


Correct Option: B

Which of the following statements is untrue for tabulation?

  1. Statistical analysis of data requires tabulation

  2. It facilitates comparison between rows and not columns

  3. Complicated data can be presented

  4. Diagrammatic representation of data requires tabulation


Correct Option: B

The times, in seconds, taken by 150 atheletes to run a 110 hurdle race are tabulated below :

Class Frequency
13.8-14 2
14-4.2 4
14.2-14.4 5
14.4-14.6 71
14.6-14.8 48
14.8-15 20

The number of atheletes who completed the race in less then 14.6 seconds is :

  1. $11$

  2. $71$

  3. $82$

  4. $130$


Correct Option: C
Explanation:

The number of athletes who completed the race in $<14.6$ seconds is $n(13.8-14)+n(14-14.2)+n(14.2-14.4)+n(14.4-14.6)$

$=2+4+5+71=82$

The prices of diamond having a particular color and clarity are tabulated below:

weight of Diamond (in Carats) Price of Diamond (in rupees/carat)
0.25 1 Lakh 
0.5 2 Lakh
1 4 Lakh
2 8 Lakh

How many 0.25 carat diamonds can be purchased for the price of a 2 carat diamond ?

  1. 8

  2. 16

  3. 32

  4. 64


Correct Option: A

marks (out of 10) obtained by 35 students in a Science test are listed as bel 8, 1, 2.6, 5, 0, 1, 9, 7, 8, 0,5, 8, 3, 0,8,1,0, 3,4,8,7, 8,9,2,0 1,3,2 a)

  1. Find the number of students who obtained marks more than or equal to 5

  2. Find the numbers of students who scored zero in the test?

  3. If the passing criterion is equal or above six, what is the passing percentage

  4. If the passing criterion is equal or above six, what i the passing percentage?


Correct Option: A