351. Which of the following is simple hypothesis___________________?

A. u = 20
B. u ≠ 20
C. u 20

352. 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

353. The level of significance is denoted by _________________?

A. 1 – ∞
B. β
C. ∞
D. 1 – β

354. The values that separate the region of rejection and acceptance region are called _______________?

A. Critical value
B. Confidence limits
C. Confidence boundaries
D. None of these

355. Power of test is denoted by _______________?

A. β
B. α
C. (1 – α )
D. (1 – β)

356. _________ is an estimate expressed by a single value?

A. C.I.
B. Point estimator
C. Parameter
D. Point estimate

357. __________ is the process of using sample information to reach?

A. Population
B. Biased
C. Unbiased
D. Increase

358. The minimum variance unbiased estimator of the population mean is _______________?

A. 6/√n
B. S/√n
C. S2/n
D. 6x/√n

359. 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

360. E(x1 – x2)= ___________________?

A. ux – x2
B. u1 – u2
C. 6x – x2
D. 6×2 – x2