ผลต่างระหว่างรุ่นของ "Probstat/notes/hypothesis testing"

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: ''This is part of [[probstat]].''
 
: ''This is part of [[probstat]].''
  
Since it is very hard to obtain complete information of the population, we usually end up with a collection of much smaller sample data.  A question arises: how can we be confident if the conclusion we make from the collected sample is correct or it is only by chance?  This section tries to answer this question.
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Since it is very hard to obtain complete information of the population, we usually end up with a collection of much smaller sample data.  A question arises: ''how can we be confident if the conclusion we make from the collected sample is correct or it is only by chance?''  
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This section tries to answer this question.
  
 
== A motivating example ==
 
== A motivating example ==

รุ่นแก้ไขเมื่อ 01:54, 8 ธันวาคม 2557

This is part of probstat.

Since it is very hard to obtain complete information of the population, we usually end up with a collection of much smaller sample data. A question arises: how can we be confident if the conclusion we make from the collected sample is correct or it is only by chance?

This section tries to answer this question.

A motivating example

The null hypothesis

Error types

Tests concerning the mean of a normal population

Testing for the equivalence of the means