Measures of Central Tendency (CA Foundation Maths, Statistics, Logic, and Reasoning): Questions 16  21 of 21
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Question number: 16
» Measures of Central Tendency
Question
Which measure is based on only the central fifty percent of the observations?
Choices
Choice (4)  Response  

a.  Quartile deviation 

b.  Standard deviation 

c.  Mean deviation 

d.  Question does not provide sufficient data or is vague 

Question number: 17
» Measures of Central Tendency
Question
Which of the following statements is correct?
Choices
Choice (4)  Response  

a.  Two distributions may have the different measures of central tendency but identical measures of dispersion. 

b.  Two distributions may have the identical measures of central tendency but different measures of dispersion. 

c.  Two distributions may have identical measures of central tendency and dispersion. 

d.  All a. , b. and c. are correct 

Question number: 18
» Measures of Central Tendency
Question
A shift of origin has no impact on
Choices
Choice (4)  Response  

a.  Range 

b.  Quartile deviation. 

c.  Mean deviation 

d.  Standard deviation 

Question number: 19
» Measures of Central Tendency
Question
If all the observations are multiplied by 2, then
Choices
Choice (4)  Response  

a.  New SD would be increased by 2 

b.  New SD would be decreased by 2. 

c.  New SD would be also multiplied by 2 

d.  New SD would be half of the previous SD 

Question number: 20
» Measures of Central Tendency
Question
Which measure of dispersion has some desirable mathematical properties?
Choices
Choice (4)  Response  

a.  Standard deviation 

b.  Quartile deviation 

c.  Mean deviation 

d.  None of the above 

Question number: 21
» Measures of Central Tendency
Question
Which one is easier to compute?
Choices
Choice (4)  Response  

a.  Relative measures of dispersion 

b.  Range 

c.  Absolute measures of dispersion 

d.  None of the above 
