Stats 8.1-8.2
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Last updated 1:11 AM on 2/3/26
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7 Terms
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Confidence interval equation
Point estimate ± Margin of error
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Point estimate equation
A+B/2
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Margin of Error
B-A/2
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Interpretation of interval
We are (a number %) confident that the interval from A to B captures the true (parameter in context)
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Interpreting confidence level
If we take many many samples of size n, about (a number %) of intervals created will capture the (true parameter in context)
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Confindence level formula
Point estimate ± (critical value) (standard deviation)
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Critical value z*
Inversenorm (area= CL, M: 0, SD: 1 Center)
Note 
Flashcards (35)