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13 Cards in this Set
- Front
- Back
- 3rd side (hint)
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So far we have looked at _ and _ and have calculated the _ _ and the _ |
Ho, Ha, Test, Statistic, P-Value |
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Now, should we _ Ho or _ it? |
Reject, Fail to reject |
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Designate a _ (_ _) |
Significance level, Fish Symbol or Alpha |
P valuethat you make up that starts with an A |
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Chose _ ahead of time _ could be .05 or .01 |
Alpha, Alpha |
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_= .05 means the data must give evidence against _ less than 5% That is, it would happen no more than 5% of the time by chance alone, given Ho is true. |
Alpha, Ho |
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Ex) P value of .03, is significant(Also means reject) at the a= _ but is not significant at a= _ |
.05, .01 |
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Steps for hypothesis testing: |
1) State Ho and Ha. 2) Calculate a test statistic. 3) Find a P value. 4) State a conclusion. |
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If P- Value |
We reject Ho if favor of Ha. |
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If P-Value>Alpha |
We fail to reject Ho. |
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To do any test you |
Z Test |
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Must check Assumptions |
1. Normal n>_ 30. 2. SRS. 3. Standard deviation is known. |
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Z is calculated (Normal) |
Z= X bar- m/ Standard deviation/Square root of n |
One Sqaure Root |
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z is calculated (Single Prop) |
Z= P hat (#/N)-P/Square root of pTimes 1-p/ Square root of n |
Two Square Roots |
