Topic1(Part1)

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Unformatted text preview: BASIC BUSINESS STATISTICS Eleventh Edition Berenson Levine Krehbiel Slides Modified by Eugene Li Slide 1 Topic 1 (Part 1) Confidence Intervals about Mean and Proportion for One Population s s s s s s Introduction Interval Estimation of a Population Mean: Large­Sample Case Determining the Sample Size Interval Estimation of a Population Mean Interval Estimation of a Population Proportion (8.1­8.4) [--------------------- x ---------------------] [--------------------- x ---------------------] [--------------------- x ---------------------] µ x Slide 2 Introduction s s Statistical inference is the process by which we acquire information about populations from samples. There are two types of inference: • Estimation • Hypotheses testing Slide 3 Concepts of Estimation s s The objective of estimation is to determine the value of a population parameter on the basis of a sample statistic. There are two types of estimate: Point Estimate Interval Estimate Slide 4 Point Estimate A point estimate draws inference about a population by estima...
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## This note was uploaded on 01/17/2010 for the course STATS 2225 taught by Professor Li during the Spring '09 term at Langara.

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