✍Today poll question
Q. In a simple linear regression model number of observations is 2, then an unbiased estimator of error term variance
Q. In a simple linear regression model number of observations is 2, then an unbiased estimator of error term variance
Anonymous Quiz
15%
(a) is always exist
36%
(b) is exist and unique
27%
(c) is exist but not unique
22%
(d) does not exist
✍Today poll question
Q. Independency of two random variables X and Y is always implies
Q. Independency of two random variables X and Y is always implies
Anonymous Quiz
31%
(a) Cov(X, Y)=0
7%
(b) r(X, Y)=0
58%
(c) Both (a) and (b)
3%
(d) Neither (a) nor (b)
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pstatisticstutorials.in_notes___bsPfpdCjD5___Linear-Model.pdf
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pstatisticstutorials.in_notes___bsPfpdCjD5___Linear-Model.pdf
✍Today poll question
Q. Two uncorrelated random variables X and Y always
Q. Two uncorrelated random variables X and Y always
Anonymous Quiz
32%
(a) independent
8%
(b) dependent
58%
(c) Cov(X,Y)=0
2%
(d) E(XY)=0
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✍In usual notation, which of the following is not correct for two independent random variables X and Y?
Anonymous Quiz
5%
(a) f(x,y)=f(x|y).f(y)
6%
(b) f(x,y)=f(y|x).f(x)
17%
(c) f(x,y)=f(x).f(y)
73%
(d) f(x,y)=f(x)/f(y)
✍Today poll question
Q. Which of the following statements is correct about distribution function?
Q. Which of the following statements is correct about distribution function?
Anonymous Quiz
12%
(a) it is lies in between [0,1]
10%
(b) it is monotonically increasing function
5%
(c) it is right hand continuous
73%
(d) all of the above
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Dear Aspirants,
We at P Statistics Tutorials wish you all a great success in UPSC ISS-2024 examination which is one of the most important endeavours of your life. We believe in your ability to crack this exam with outstanding results.✌️
Regards
Dr. Pankaj Kumar
P Statistics Tutorials
We at P Statistics Tutorials wish you all a great success in UPSC ISS-2024 examination which is one of the most important endeavours of your life. We believe in your ability to crack this exam with outstanding results.✌️
Regards
Dr. Pankaj Kumar
P Statistics Tutorials
👍5
Remembering the Architect of the Indian Statistical Universe P C Mahalnobis, who not only established the base of the Indian Statistical System founding the Indian Statistical Institute in Kolkata but also showed the path to the world with his remarkable vision in the field of statistics.
............
Dr. Pankaj Kumar
P Statistics Tutorials
............
Dr. Pankaj Kumar
P Statistics Tutorials
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