Econ103_Lec3 (2012_12_16 01_29_32 UTC)

05 t38 95th percentile 16859545 tc since t 488

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Unformatted text preview: _se[income]! di "t-statistic for Ho: beta_2 =0 = " tstat0! .t-statistic for Ho: beta_2 =0 = 4.8773806! = t di "t(38) 95th percentile = "invttail(38,0.05)! .t(38) 95th percentile = 1.6859545! = tc Since t = 4.88 > 1.686 Reject H0: β2=0 4 Hypothesis Tests (Example 1) 2 of 2 Example from the food expenditure vs. income model. Default: H0: βk=0 b2 = b1 = y = 83.41 + 10.21x ˆ t-statistic! Coef ± tc ⇥ Std.Err 5 Hypothesis Tests (Example 2) 1 of 2 •  H0: c1β1+c2β2 = c3 For example: β1+20β2 = 250! estat vce e(v)! income! _cons! income! 4.38 - 85.90 _cons! - 85.90 1884.44 \ \ \ var[c1 b1 + c2 b2 ] = c2 var(b1 ) +...
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This note was uploaded on 02/19/2013 for the course ECON 103 taught by Professor Sandrablack during the Spring '07 term at UCLA.

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