Lecture29 - ECO220Y Lecture 29 CO220 ectu e 29 Single...

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Unformatted text preview: ECO220Y Lecture 29 CO220 ectu e 29 Single Population Estimation & Hypothesis Testing (1) Migiwa Tanaka Reading: 12.1 ference of Inference of , 2 Point Estimator: Sample mean is unbiased and X consistent. Confidence Interval and Hypothesis Testing requires knowledge of distribution of . When population is normal with unknown 2 X X t follows student t distribution with degrees of freedom n s / 2 Hypothesis Testing: ejection Region ethod ne iled st Rejection Region MethodOne-Tailed Test Consider following hypotheses: H : = 4 Rejection Region when =.05 Student t Distribution, =40 H 1 : < Significance Level: .3 .4 sity Rejection Region t t Reject .1 .2 Dens with degree of freedom =n-1 Test statistic -1.684 tatistic X t t-statistic 3 n s / Hypothesis Testing: ejection Region ethod ne ailed est Rejection Region MethodOne-Tailed Test Consider following hypotheses: H : = ejection Region when =.05 Student t Distribution, =40 H 1 : > Significance Level: .3 .4 y Rejection Region when .05 Rejection Region...
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This note was uploaded on 03/03/2011 for the course ECON 220 taught by Professor Tanaka during the Spring '11 term at University of Toronto- Toronto.

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Lecture29 - ECO220Y Lecture 29 CO220 ectu e 29 Single...

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