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9th Grade > Mathematics

STATISTICS MCQs

Total Questions : 53 | Page 6 of 6 pages
Question 51.


A histogram can never have gaps between two bars.


  1.     True
  2.     False
  3.     22
  4.     18
 Discuss Question
Answer: Option B. -> False
:
B
A histogram can have a gap between two bars if the intermediate class has 0 frequency.
Question 52.


The data below shows the number of times of all outcomes of a dice. Find the frequency of getting a number greater than 2 but less than or equal to  5.
The Data Below Shows The Number Of Times Of All Outcomes Of ...


  1.     10
  2.     12
  3.     22
  4.     18
 Discuss Question
Answer: Option D. -> 18
:
D

3, 4, and 5 are the numbers greater than 2 but less than or equal to 5


So, frequency of getting 3, 4, and 5 is
= 6 + 4 + 8
= 18
Hence, the frequency of getting a number greater than 2 and less than equal to  5 is 18.


Question 53.


In a bar graph, bars can be of unequal width.


  1.     True
  2.     False
  3.     June has the highest frequency of victims.
  4.     The frequency graph is incorrect.
 Discuss Question
Answer: Option B. -> False
:
B
By convention, bars of all categories in a bar graph are drawn with equal width. Hence the above statement is false.

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