CA Foundation Maths, Statictics, Logic, and Reasoning: Questions 14  20 of 154
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Question number: 14
Question
If there are two variables x and y, then the number of regression equations could be
Choices
Choice (4)  Response  

a.  2 

b.  Any number 

c.  3 

d.  1 

Question number: 15
» Statistical Description of Data » Frequency Distribution
Question
A frequency distribution
Choices
Choice (4)  Response  

a.  Arranges observations in an increasing order 

b.  Relaters to a measurable characteristic 

c.  Arranges observation in terms of a number of groups 

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

Question number: 16
Question
Scatter diagram helps us to
Choices
Choice (4)  Response  

a.  Compute the extent of correlation between two variables 

b.  Find the nature correlation between two variables 

c.  Obtain the mathematical relationship between two variables 

d.  None of the above 

Question number: 17
Question
The regression coefficients remain unchanged due to a
Choices
Choice (4)  Response  

a.  Shift of origin 

b.  Shift of scale 

c.  None of the above 

d.  Question does not provide sufficient data or is vague 

Question number: 18
» Statistical Description of Data » Frequency Distribution
Question
Length of a class is
Choices
Choice (4)  Response  

a.  The difference between the UCL and LCL of that class 

b.  The difference between the UCB and LCB of that class 

c.  None of the above 

d.  All of the above 

Question number: 19
» Statistical Description of Data » Frequency Distribution
Question
The UCL (Upper Class Limit) is
Choices
Choice (4)  Response  

a.  An upper limit to UCL 

b.  A lower limit to LCL 

c.  None of the above 

d.  All of the above 

Question number: 20
Question
Scatter diagram is considered for measuring
Choices
Choice (4)  Response  

a.  Linear relationship between two variables 

b.  Curvilinear relationship between two variables 

c.  Both a. and b. are correct 

d.  None of the above 
