### Category: Statistic

Latest Statistic Mcqs Online with Answers.

## Uncertainty of elements can be reduced with estimation of

under coverage error coverage error sampling error random sample error Right Answer: sampling error

## If value of x-bar is 70 and μ of sampling distribution is 15 with standard deviation is 20 then standard normal variable is?

2.75 3.75 4.75 5.75 Right Answer: 2.75

## All values in sample distribution that can freely varies in selected random sample from population are indicated as?

degree of freedom degree of error degree of statistic degree of possibility Right Answer: degree of freedom

## Measures in sampling that are results of sample analyses are called?

absolute statistics parameter coverage estimators population statistics sample statistic Right Answer: sample statistic

## Conditions such as large sample size to represent population and samples must be drawn randomly are included in?

principle of statistical regularity principle of statistical irregularity principle of sampling error principle of inertia Right Answer: principle of statistical regularity

## Theorem which states that as sample size increases sampling distribution must approach normal distribution is classified as?

limited approximation theorem secondary limit theorem primary limit theorem central limit theorem Right Answer: central limit theorem

## If mean of population is 25 then mean of sampling distribution is

25 5 30 35 Right Answer: 25

## Method of sampling in which population is divided in to mutual exclusive groups that have useful context in statistical research is classified as?

stratified sampling regular group sampling irregular group sampling direct group sampling Right Answer: stratified sampling

## In cluster sampling, elements of selected clusters are classified as?

elementary units primary units secondary units proportional units Right Answer: elementary units

## In systematic sampling, population is 200 and selected sample size is 50 then sampling interval is?

250 0.25 4 40 Right Answer: 4