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Week 8 Study Notes

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Department
Geography
Course
GGR270H1
Professor
Damian Dupuy
Semester
Fall

Description
GGR 270 Lecture 8 November 3, 2010-12-13 1- 2 Z 2 .90 .10 .05 1.645 .95 .05 .025 1.96 .98 .02 .01 2.33 .99 .01 .005 2.58 Point Estimate x is the best point estimate of Z (Standard Error) Z( Z defines level of confidence 95% = 1.96 ( 90% = 1.65( 99% = 2.58( Also have point estimate for proportions: Z Confidence Interval Place interval around the sample mean (x) and state with a measurable level of confidence, the true population mean () lies within this interval x +- Or x +- www.notesolution.com
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