Test each of the following hypotheses by using the given information. Assume the populations are normally distributed.
Question:
Test each of the following hypotheses by using the given information. Assume the populations are normally distributed.
a. H0: σ2 = 20
Ha: σ2 > 20
α = .05, n = 15, s2 = 32
b. H0: σ2 = 8.5
Ha: σ2 ≠ 8.5
α = .10, n = 22, s2 = 17
c. Ha: σ2 = 45
Ha: σ2 < 45
α = .01, n = 8, s = 4.12
d. Ha: σ2 = 5
Ha: σ2 ≠ 5
α = .05, n = 11, s2 = 1.2
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a H 0 2 20 a 05 n 15 df 15 1 14 s 2 32 H a 2 20 Since 2 224 2 0514 236848 t...View the full answer
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Related Book For
Business Statistics for Contemporary Decision Making
ISBN: 978-0470910184
6th Edition
Authors: Ken Black
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