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### 12th Class Statistics Chapter 12 Test

Here you can prepare 12th Class Statistics Chapter 12 Estimation Statistics Test. Click the button for 100% free full practice test.

## 2nd Year Statistics Chapter 12 Online MCQ Test for 12th Class Statistics Chapter 12 (Estimation)

This online test contains MCQs about following topics:

. Statistical Inference
. Statistical Estimation
. Point Estimation of a Parameter
. Unbiasedness
. Best Estimator
. Pooled Estimators from two Samples
. Interval Estimation
. Confidence Interval For Population Mean
. Confidence interval for polulation Proportion of Successes
. Comparative Studies

ICS Part 2 Statistics Ch. 12 Test ### 2nd Year Statistics Chapter 12 Online MCQ Test for 12th Class Statistics Chapter 12 (Estimation)

1 If population proportion (P) is unknown, the standard error of the sample proportion (p) can be estimated by the formula
• A.
• B.
• C.
• D.
2 If (1-α) is increased, the with of a confidence interval is:
• A. Decreased
• B. Increased
• C. Constant
• D. Same
3 Statistical inference has two branches namely:
• A. Level of confidence and degrees of freedom
• B. Biased estimator and unbiased estimator
• C. Point estimate and interval estimate
• D. Estimation of parameter and testing of hypothesis
4 Estimation is of two types:
• A. One sides and two sides
• B. Type I and type II
• C. Point estimation and interval estimation
• D. Biased and unbiased
5 100(1-α)% confidence interval for population proportion of success,&=nbsp;π is
• A. P (L &lt;μ &lt; U) = 1 - α
• B. P (L &lt;σ &lt; U) = 1 - α
• C. P (L &lt;π&lt; U) = 1 - α
• D. P (L &lt;P&=nbsp;&lt; U) = 1 - α
6 If the observations are paired and the number of pairs is n, then the number of degree of freedom is equal to
• A. n
• B. n - 1
• C. 2n
• D. 2n - 1
7 A range of values within which the population parameter is expected:
• A. Confidence interval
• B. Confidence coefficient
• C. Confidence limits
• D. Level of significance
8 If mean of the sampling distribution is equal to the parameter then the estimator will be
• A. biased
• B. consistent
• C. sufficient
• D. unbiased
9 Statistic is an estimator and its calculated value is called:
• A. Biased estimate
• B. Estimation
• C. Interval estimate
• D. Estimate
10 A single value used to estimate a population value is called:
• A. Interval estimate
• B. Point estimate
• C. Confidence interval
• D. Level of confidence

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