cbesta2chap08slides - &¡¢£¤¥¦ §...

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Unformatted text preview: &¡¢£¤¥¦ § &¡¢£¤¥¦ § NOTES &¡¢£¤¡¢¥ ¦§¨ ©¡ª«©¤¡¬ ¤­®«¯¢§¢ª °±²³®´µ ¶¢ ·¤ ³¤¸¸ ¢ ¹­¬º¢¡ª¬» § &¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¢ x x &¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¢ &¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¢ x x μ Chapter 8 Interval Estimation & Interval Estimation of a Population Mean: Large-Sample Case & Interval Estimation of a Population Mean: Small-Sample Case & Determining the Sample Size to Estimate μ & Interval Estimation of a Population Proportion &¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¢ x Interval Estimation of a Population Mean: Large-Sample Case & Margin of Error and the Interval Estimate & Probability Statements about the Sampling Error & Constructing an Interval Estimate: Large-Sample Case with σ Assumed Known & Calculating an Interval Estimate: Large-Sample Case with σ Estimated by s Margin of Error and the Interval Estimate & A point estimator does not provide information about how close the estimate is to the population parameter. & For this reason statisticians usually prefer to construct an interval estimate . & An interval estimate is constructed by subtracting and adding a value, called the margin of error , to a point estimate. &¡¢£¤ ¥¦¤¢§¨¤© ª ¨«¬¢£¡­¥««¡« &¡¢£¤ ¥¦¤¢§¨¤© ª ¨«¬¢£¡­¥««¡« ± Margin of Error and the Interval Estimate & An interval estimate of the population mean is: ª ¨«¬¢£¡­¥««¡« ª ¨«¬¢£¡­¥««¡« ± x Probability Statements About the Margin of Error & Precision Statement There is a 1 - α probability that the value of a sample mean will provide a margin of error of or less....
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This note was uploaded on 04/09/2010 for the course CBE CBESTA2 taught by Professor Marianreyes during the Spring '10 term at De La Salle University.

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cbesta2chap08slides - &¡¢£¤¥¦ §...

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