For Mesokurtic curve of the distribution, β2 is__________________?
For Mesokurtic curve of the distribution, β2 is__________________?
A. Zero
B. 3
C. 3
E. None of these
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If x and y are Independent to each other the coefficient of correlation is _____________?
If x and y are Independent to each other the coefficient of correlation is _____________?A. -1
B. +1
C. .6
D. 0A random variable is ____________ ?
A random variable is ____________ ?A. Not a function
B. A continuous variable
C. A function
D. None of theseIf a card is chosen from a standard deck of cards, what is the probability of getting a diamond (♦) or a club (♣)?
If a card is chosen from a standard deck of cards, what is the probability of getting a diamond (♦) or a club (♣)?A. 26/52=1/2
B. 13/52
C. 20/52
D. 12/52When data are collected in a statistical study for only a portion or subset of all elements of interest we are using?
When data are collected in a statistical study for only a portion or subset of all elements of interest we are using?A. A sample
B. A Parameter
C. A Population
D. Both b and cVar (kY)= ____________?
Var (kY)= ____________?A. k Var (Y)
B. k2 Var(Y)
C. Var(Y)
D. k2Let X1,X2,……,Xn be a random sample from a density,,,, f(x ι θ) where θ is a value of the random variable Θwith known density gΘ(θ) Then the estimator ∏(θ) with…/ respect to the prior gΘ(θ) is define as______________E[∏(θ)ιX1,X2,…..,Xn] is called?
Let X1,X2,……,Xn be a random sample from a density,,,, f(x ι θ) where θ is a value of the random variable Θwith known density gΘ(θ) Then the estimator ∏(θ) with…/ respect to the prior gΘ(θ) is define as______________E[∏(θ)ιX1,X2,…..,Xn] is called?A. Posterior Bay’s estimator
B. Minimax estimator
C. Bay’s estimator
D. Sufficient estimator