Mathcad - UF-ESI-6321-12-04-02

Mathcad - UF-ESI-6321-12-04-02 - UF-ESI-6321...

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Unformatted text preview: UF-ESI-6321 UF-ESI-6321-12-04-02.xmcd page 1 of 1 12.4.2 In a simple linear regression analysis with n := 17 data points, the estimates 0 := 12.08 1 := 34.60 _squared := 17.65 are obtained. If Sxx := 1096 xbar := 53.2 construct a two-sided := 1 - 95% = 5 % confidence interval for the expected response at xstar := 40.0 (This problem is continued in Problem 12.5.1.) This problem has n - 2 = 15 degrees of freedom. 2 = 0.025 , n - 2 = -2.131 qt 2 0 + 1 xstar + qt , n - 2 _squared 2 ( 0 + 1 xstar) - qt , n - 2 _squared 2 + n S xx (xstar - xbar)2 1 + n Sxx 1 ( xstar - xbar)2 = 1391.90 1400.26 Luther Setzer 1 NASA Pkwy E Stop NEM3, Kennedy Space Center, FL 32899 (321) 544-7435 ...
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