Estimation of Parameters Flashcards
1
Q
the process of making inferences about a population based on information obtained from a sample
A
Estimation
2
Q
X̄
A
Sample mean
3
Q
μ
A
Population mean
4
Q
a numerical value that gives a estimate of a parameter
A
Point estimate
5
Q
It is a range of values used to estimate parameter.
A
Interval estimate
6
Q
if sample mean and population mean are equal then the mean estimator is?
A
Unbiased
7
Q
if the sample and population mean are not equal then the mean estimator is?
A
biased
8
Q
- expressed as percent
- it sets a portion of the sample to be included within a known range of the true population
A
Confidence level
9
Q
the interval defined within the true population where members of the sample are expected to be found
A
Confidence Interval
