ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 433  436 of 471
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Question number: 433
» Statistical Methods » Dispersion
Question
Which of the following relationship holds between mean deviation (M. D. ) from the mean and the standard deviation (S. D. ) of any discrete distribution?
Choices
Choice (4)  Response  

a.  No relationship exist between S D and M D 

b.  S D M D 

c.  S D M D = 1 (always) 

d.  S D M D 

Question number: 434
» Statistical Methods » Skewness and Kurtosis
Question
Which of the following statement is/are correct?
Choices
Choice (4)  Response  

a.  A distribution that is more peaked than normal is called platykurtic. 

b.  A distribution that is less peaked than normal is called leptokurtic. 

c.  A distribution identical to the normal distribution is called mesokurtic. 

d.  None of the above 

Question number: 435
» Statistical Methods » Skewness and Kurtosis
Question
Following is the two sets of data:
SET 1: 1 2 3 4 5 6 7 8 9 9
SET 2: 1 2 3 4 5 6 7 8 9 9 9 9 9 9 9 9 9 9 9 9 10 12 12 13
If, somebody desires to calculate the Pearson’s Coefficient of Skewness (mode) then, which of the two sets will give stable measure of central tendency?
Choices
Choice (4)  Response  

a.  SET 1 and SET 2 are equally stable measure 

b.  SET 1 

c.  SET 2 

d.  None of the above 

Question number: 436
» Statistical Methods » Curve Fitting and Orthogonal Polynomials
Question
Which of the following statement is/are correct regarding Least Squares Approximation using Orthogonal Polynomial?
Choices
Choice (4)  Response  

a.  It always requires a constant weight function on 

b.  It can be applied to a discontinuous function on 

c.  None of the above 

d.  All of the above 
