topic06a

topic06a - 6.3 Controlling of sampling error For population...

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Topic 6A Confidence Interval One sample case 6.0 Basic Concepts : Confidence level, Sampling error, Standard Error, Controlling of Sampling Error, 6.1 Confidence Interval for Population mean 6.2 Confidence Interval for population proportion
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Unformatted text preview: 6.3 Controlling of sampling error For population mean : For population proportion: n ) p ˆ (1 p ˆ Z p ˆ /2 − ± α 2 2 2 σ e Z n = 2 2 e ) 5 . (1 5 . Z n − =...
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