# Estimation

## Quiz by Law Siao Siu IPGKTI

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- Q1
Estimation is possible only in case of a ...

parameter

ramdom sample

population

sample

15s - Q2
Two types of estimation are...

biased and unbiased

type I and type II

point estimation and interval estimation

one sided and two sided

15s - Q3
A formula or rule used for estimating the parameter is called

estimation

estimate

interval estimate

estimator

15s - Q4
A value of an estimator is called

variable

estimation

constant

estimate

15s - Q5
The process of using sample data to estimate the values of unknown population parameter is called

estimation

estimate

estimator

interval estimation

15s - Q6
The process of making estimates about the population parameter from a sample is called

statistical decision

statistical hypothesis

statistical independence

statistical inference

15s - Q7
Statistical inference has two branches, namely

point estimator and interval estimator

estimation of parameter and testing of hypothesis

biased estimator and unbiased estimator

level of confidence and degree of freedom

15s - Q8
A single value used to estimate a population values is called

level of confidence

degree of freedom

interval estimate

point estimate

15s - Q9
An interval calculated from the sample data and is likely to contain the value of parameter with some probability is called

interval estimate

level of significance

point estimate

confidence interval

15s - Q10
A range of values within which the population parameter is expected to occur is called

level of significance

confidence coefficient

confidence limits

confidence interval

15s - Q11
The end points of a confidence interval are called

parameters

confidence limits

error of estimation

confidence coefficient

15s - Q12
If the mean of the estimator is not equal to the population parameter, the estimator is said to be

biased

positively biased

unbiased

negatively biased

15s - Q13
Interval estimate is associate with

probability

non-probability

range of values

number of parameters

15s - Q14
The point estimator of population mean is

sample standard deviation

sample mean

sample variance

sample size

15s - Q15
If level of confidence is increased, the width of a confidence interval is

same

increased

decreased

constant

15s