ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 435  438 of 469
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Question number: 435
» Statistical Methods » Regression  Linear and Polynomial
Question
If (constant term) and (coefficient of independent variable) are the coefficients within the liner regression equation, then which of the following statement is/are correct?
Choices
Choice (4)  Response  

a.  is the slope of the regression line. 

b.  is the Yintercept of the regression line. 

c.  Both a. and b. are correct 

d.  None of the above 

Question number: 436
» Statistical Methods » Bivariate Normal Distribution
Question
Let the random variable where and ∑= and . Then which of the following statement is correct regarding the value of?
Choices
Choice (4)  Response  

a.  is a matrix. 

b.  is a matrix. 

c.  is a matrix. 

d.  All of the above 

Question number: 437
» Statistical Methods » Association and Contingency
Question
The value of , chi square statistic of the given data set is ________.
Choices
Choice (4)  Response  

a. 


b. 


c.  9.375 

d.  All of the above 

Question number: 438
» Statistical Methods » Charts, Diagrams and Histogram
Question
Which of the following statement is/are not correct?
Choices
Choice (4)  Response  

a.  A frequency polygon is a closed figure that is formed by joining the top midpoints of all the rectangles of a histogram using a free hand. 

b.  A frequency curve is a closed figure that is formed by joining the top midpoints of all the rectangles of a histogram using straight line. 

c.  Both a. and b. are correct 

d.  None of the above 
