The level of significance is denoted by _________________?
A. 1 – ∞
B. β
C. ∞
D. 1 – β
Statistics Mcqs
If n = 400 and P=.69 then 90% C.I for P is _________________?
If n = 400 and P=.69 then 90% C.I for P is _________________?
A. 652 and . 728
B. .314 and .652
C. .798 and .745
D. None of these
Which of the following is simple hypothesis___________________?
Which of the following is simple hypothesis___________________?
A. u = 20
B. u ≠ 20
C. u 20
E(x1 – x2)= ___________________?
E(x1 – x2)= ___________________?
A. ux – x2
B. u1 – u2
C. 6x – x2
D. 6×2 – x2
95% confidence limits u are ________________?
95% confidence limits u are ________________?
A. x±1.65 6/√n
B. u±1.95 S/√n
C. x±1.96 6/√n
D. ±1.96 6/√n
The minimum variance unbiased estimator of the population mean is _______________?
The minimum variance unbiased estimator of the population mean is _______________?
A. 6/√n
B. S/√n
C. S2/n
D. 6x/√n
__________ is the process of using sample information to reach?
__________ is the process of using sample information to reach?
A. Population
B. Biased
C. Unbiased
D. Increase
_________ is an estimate expressed by a single value?
_________ is an estimate expressed by a single value?
A. C.I.
B. Point estimator
C. Parameter
D. Point estimate
x=40 is estimator of _________________?
x=40 is estimator of _________________?
A. (U)
B. 6
C. Ux
D. 6/√n
Sample variance S2 is unbiased estimator of population variance 26 because ________________?
Sample variance S2 is unbiased estimator of population variance 26 because ________________?
A. E(S2) = s2
B. E(u) = X
C. E(P) = P
D. Ux = u