Suppose that n = 10 and s 2 = 9. Assume normality. a. Compute a 95 percent
Question:
Suppose that n = 10 and s2 = 9. Assume normality.
a. Compute a 95 percent confidence interval for σ2.
b. Test the null hypothesis H0: σ2 = 15 versus Ha: σ2 < 15 at the .05 level of significance.
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Related Book For
Business Statistics In Practice
ISBN: 9780077534844
7th Edition
Authors: Bruce Bowerman, Richard OConnell, Emilly Murphree
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