ผลต่างระหว่างรุ่นของ "Probstat/notes/hypothesis testing"
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Jittat (คุย | มีส่วนร่วม) (หน้าที่ถูกสร้างด้วย ': ''This is part of probstat.'' == The null hypothesis == === Error types === == Tests concerning the mean of a normal populatio...') |
Jittat (คุย | มีส่วนร่วม) |
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: ''This is part of [[probstat]].'' | : ''This is part of [[probstat]].'' | ||
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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? This section tries to answer this question. | ||
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| + | == A motivating example == | ||
== The null hypothesis == | == The null hypothesis == | ||
รุ่นแก้ไขเมื่อ 01:51, 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.
