Refer to the data on the amount of reflected light from urban areas in Table D 3b of the Data Bank A computer calculation for a test of H0 u 84 versus H1 Icirc frac14 84 has the output Test of mu 84 vs mu not 84 (a) What is the conclusion of the test when Icirc plusmn 03 (b) Use the value for Z to test the null hypothesis H0 Icirc frac14 84 versus the one sided alternative H1 Icirc frac14 Variable N Mean StDev Lighturb 40 82 075 4 979 Variable Lighturb 2 45 0 014

Question: Refer to the data on the amount of reflected light from urban areas in Table D.3b of the Data Bank. A computer calculation for a

Refer to the data on the amount of reflected light from urban areas in Table D.3b of the Data Bank. A computer calculation for a test of H0: u = 84 versus H1: Î¼ ‰ 84 has the output
Test of mu = 84 vs mu not = 84

(a) What is the conclusion of the test when Î± = .03?
(b) Use the value for Z to test the null hypothesis H0: Î¼ = 84 versus the one-sided alternative H1: Î¼

Variable N Mean StDev Lighturb 40 82.075 4.979 Variable Lighturb 2.45 0.014

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