ACET (Actuarial Common Entrance Test) Statistics: Questions 12  19 of 81
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Question number: 12
Question
Find out the interquartile range from the following series.
Choices
Choice (4)  Response  

a.  12  
b.  6  
c.  13  
d.  10 
Question number: 13
» Discrete Random Variables » Standard Deviation
Question
For 10 pairs of observations, no. of concurrent deviations was found to be 4. What is the value of the coefficient of concurrent deviation?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 14
» Probabilities » Bayes Theorem
Question
In a batch, there are C programmers, and 40 % are Java and C programmers. What is the probability that a C programmer is also Java programmer?
Choices
Choice (4)  Response  

a.  0.40  
b.  0.32  
c.  0.50  
d.  0.23 
Question number: 15
» Discrete Random Variables » Probabilities
Question
Find r if
Choices
Choice (4)  Response  

a.  7  
b.  9  
c.  4  
d.  1 
Question number: 16
Question
Find out the modal value in the following series:
Choices
Choice (4)  Response  

a.  7,9  
b.  7  
c.  9  
d.  None of the above 
Question number: 17
Question
Find out the coefficient of range from the following marks of 5 students in statistics.
Choices
Choice (4)  Response  

a.  0.6  
b.  0.4  
c.  0.2  
d.  0.5 
Question number: 18
» Continuous Random Variables » Definitions
Question
When two variables change in fixed proportion, the correlation is said to be
Choices
Choice (4)  Response  

a.  Partial  
b.  Multiple  
c.  Linear  
d.  Non Linear 
Question number: 19
Question
If the plotted points in a scatter diagram lie from upper left to lower right, then the correlation is
Choices
Choice (4)  Response  

a.  Negative  
b.  Positive  
c.  Zero  
d.  None of the above 