Statistics, Econometrics and Mathematical EconomicsProbability Theory [GATE (Graduate Aptitude Test in Engineering) Economics]: Questions 1  6 of 124
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Question 1
Appeared in Year: 2014 (UGC NET)
Question
MCQ▾Given arithmetic mean = 45, mode = 48, then median = (June)
Choices
Choice (4)  Response  

a.  48  
b.  46  
c.  49  
d.  45 
Question 2
Appeared in Year: 2014 (UGC NET)
Question
MCQ▾Systematic sampling implies that the first item is selected randomly and (June)
Choices
Choice (4)  Response  

a.  The other items are selected purposively  
b.  The other items are selected by lottery method  
c.  The other items are selected at the will of the investigator  
d.  Then every k^{th} item is selected 
Question 3
Appeared in Year: 2017 (UGC NET)
Question
MCQ▾For a symmetrical distribution skewness is
Choices
Choice (4)  Response  

a.  3  
b.  2  
c.  0  
d.  1 
Question 4
Appeared in Year: 2017 (UGC NET)
Question
MCQ▾For testing the association of attributes which of the following tests is suitable?
Choices
Choice (4)  Response  

a.  Z test  
b.  F test  
c.  ch square test  
d.  T test 
Question 5
Appeared in Year: 2014 (UGC NET)
Question
MCQ▾If two events A and B are mutually inclusive, then P (A or B) is (June)
Choices
Choice (4)  Response  

a.  P (A) + P (B) – P (AB)  
b.  P (A) + P (B) + P (AB)  
c.  P (A) + P (B)  
d.  P (A) P (B) 
Question 6
Appeared in Year: 2014 (UGC NET)
Question
Match ListⅠ ListⅡ▾Given the following information match the item in List – I with List – II: (June)
ListⅠ (Group I)  ListⅡ (Group II) 

(A) Probability of rejecting H_{0}, when it is false  (i) Standard error 
(B) Accepting H_{0}, if it is false  (ii) b error 
(C) Measuring sampling variability due to random force  (iii) a error 
(D) Rejecting H_{0}, if it is true  (iv) 1 – b error 
Choices
Choice (4)  Response  

 
a. 
 
b. 
 
c. 
 
d. 
