CA Foundation Maths, Statictics, Logic, and Reasoning: Questions 137  143 of 154
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Question number: 137
» Statistical Description of Data » Frequency Distribution
Question
Mutually exclusive classification is usually meant for
Choices
Choice (4)  Response  

a.  A discrete variable 

b.  A continuous variable 

c.  An attribute 

d.  None of the above 

Question number: 138
» Statistical Description of Data » Tabular Representation of Data
Question
The most accurate mode of data presentation is
Choices
Choice (4)  Response  

a.  Tabulation 

b.  Diagrammatic method 

c.  Textual presentation 

d.  All of the above 

Question number: 139
» Statistical Description of Data » Frequency Distribution
Question
Mutually inclusive classification is usually meant for
Choices
Choice (4)  Response  

a.  A continuous variable 

b.  A discrete variable 

c.  An attribute 

d.  All of the above 

Question number: 140
» 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: 141
Question
For finding the degree of agreement about beauty between two Judges in a Beauty Contest, We use
Choices
Choice (4)  Response  

a.  Coefficient of rank correlation 

b.  Scatter diagram 

c.  Coefficient of correlation 

d.  Coefficient of concurrent deviation. 

Question number: 142
» 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: 143
Question
The covariance between two variables is
Choices
Choice (4)  Response  

a.  Always 0 

b.  Strictly positive 

c.  either positive or negative or zero. 

d.  Strictly negative 
