Statistical Inference – Population Proportion PDF
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Uploaded by ExceedingChrysoprase7632
Monash University
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Summary
This document covers statistical inference for population proportions, including sampling distributions and confidence intervals. It provides examples and conditions for using different methods.
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Statistical Inference – Population Proportion Sampling Distribution for Sample Proportion Confidence Interval for a Proportion 2 Inference about a Proportion How do you recogniz...
Statistical Inference – Population Proportion Sampling Distribution for Sample Proportion Confidence Interval for a Proportion 2 Inference about a Proportion How do you recognize a situation involving proportions? The study has the variable in the form of a fraction of the sample…(not a mean of values measured)…e.g., 107 students in a sample of 130 students think… 75% of the sample showed this characteristic… Of the 1000 people, 848 thought… Scientists measured 125 koalas and found 58 of them to be… 3 Sampling Distribution of Sample Proportions 4 Large Sample Confidence Interval for a Proportion 5 Plus Four Method: Adjustment to CI 6 Example: Large Sample CI for a Proportion 7 Example: Plus Four Method CI 8 Conditions Summary
