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QuestionS6-1f

-rcos@ and y=rsin@ with r>0,0<0 <4, then dxdy is:

Avr? dro
B:-0 68
"9
D:-rard ഒ
Correct Answer:- Option-D
(Question 7="The characteristic function of a standard normal variate is:

Cre?

Del
Correct Answer:- Option-A
‘Question58-Francis Galton is pioneered in the study of:
AvBiometry
B:-Genetics
CeRegression
D:-Correlation
Correct Answer:- Option-C
‘Question59:The correlation coefficient of the bi variate data: (1,10), (2,9), (3,8) and (4,7) is
۸1
Bel
೦:೦6
D:-None of these
Correct Answer:- Option-B
Question60-Let rx,y)=0.8. Then the explained variation in y due to x is:
۸8096
6
6
D:-70%
Correct Answer: Option-B
Question 1-1f both regression coefficients are positive, then their sum is always:
Aral
B:-Lies between 1 and 2
Cre 2
D:-None of these
Correct Answer:- Option-D
‘Question62:"The line of best fit can be obtained by the principle of:
AvLeast squares
B:-Moments
C+Mixed moments
D:-Minimum chi-sqare
Correct Answer:- Option-A
‘Question6 3:"The coefficients of determination is the square of:
Avr
Ber
Celtr

Correct Answer:- Option-A

Questions 4-1Frez.y)=0.5, then (22 2 ys.
‏جم‎
‎1-0
‎೦೫೦೫
‎026

Correct Answer:- Option-B
Question6 5:Probable error is used to test:
Ar Observed correlation coefficient
B:-Regression coefficients
CeRank correlation
D:-Consistency
Correct Answer:- Option-A

Question66:Let X be the number of successes follow B(n,p), then the distribution of failures follow:

A:Banp)
B-B(n, 1-p)
மிர யு,
D:-None of these
Correct Answer:- Option-B
Question6 7-Let X follows B(n,p) is positively skewed if :

കി

एणा
Correct Answer:- Option-A

Question6 Correlation coefficient between the number of successes and failures in B(n,p) is:
۸1
Bel
co
D:-None of these
Correct Answer:- Option-B

Question6 9:Let X follows B(n,p) and define ‘Then Var(¥) is:

ig

கறை

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07/07/2015 02:59 PM