CheatSheet - <-std.dev ˆ z p<-n p p z p ˆ 1 ˆ ˆ p p...

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Confidence Intervals We want to Estimate Using the point estimate Confidence Interval The Population mean, μ x Case I 30 n < - std.dev) ( z x < - n s z x std.dev) ( z x + < + < n s z x Case I 30 n < - std.dev) ( 2 , α v t x < - - n s t x n 2 , 1 std.dev) ( 2 , v t x + < + < - n s t x n 2 , 1 The Population proportion, p p ˆ (only one case)
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Unformatted text preview: <-std.dev) ( ˆ z p < --n p p z p ) ˆ 1 ( ˆ ˆ p p std.dev) ( ˆ z p + < -+ < n p p z p ) ˆ 1 ( ˆ ˆ n z E Max 4 1 = 2 2 4 E z n =...
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This note was uploaded on 04/12/2011 for the course STA 215 taught by Professor Tba during the Spring '08 term at Grand Valley State.

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