**A. Point estimator**

B. C.I.

C. Estimator

D. None of these

# Statistics Mcqs

## Since E(X) …….X is said to be unbiased estimator of the population mean?

A. Q

B. X

C. Ux

**D. u**

## Sampling Error decrease by ……. the sample size?

A. Increase

B. Decrease

C. Sampling

**D. Population**

## ……….. is a value of sample statistics?

**A. Estimate**

B. Estimator

C. Probability

D. Numerical

## The Estimation and testing of hypothesis are main branches of …………….?

A. Sampling

B. Probability distribution

C. Regression

**D. Statistical Inference**

## 95% confidence limits for P are ……………..?

A. P±2.18√p2q2/n

B. P±1.65(pq/n)

C. P±1.96 p2q2/√n

**D. P±1.96√p2q2/n**

## The hypothesis which is being tested is called ……………….?

A. Composite hypothesis

B. Alternative hypothesis

**C. Null hypothesis**

D. Simple hypothesis

## Type II error is committed when the null hypothesis is ……………..?

A. Rejected when it is true

B. Rejected when it is false

C. Accepted when it is true

**D. Accepted when it is false**

## Which of the following cannot be Ho……………..?

A. Q ≤ Qo

B. Q ≥ Qo

C. Q = Qo

**D. Q ≠ Qo**

## If Ho is stated as Q = Qo< the alternate hypothesis in general stated................?

A. Q Qo

**C. Q ≠ Qo**

D. None of these