Kapitel 8 Flashcards
1
Q
What is a point estimator?
A
A sample statistics used to estimate a population parameter.
2
Q
Give an exempel of a point estimator:
A
The sample mean is a point estimmator of the population mean.
3
Q
Why do we need an interval estimator?
A
A point estimator do not give us the exact value of the population parameter. Then we do an interval estimator.
4
Q
What is the purpose with a interval estimator?
A
Provide information about how close the point estimator is to the value of the parameter.
5
Q
What is the form of an interval estimate?
A
Point estimate + - margin of error.
6
Q
A
