Suppose a random sample of 14 people 3039 years of age produced the household incomes shown here.
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Suppose a random sample of 14 people 30–39 years of age produced the household incomes shown here. Use these data to determine a point estimate for the population variance of household incomes for people 30–39 years of age and construct a 95% confidence interval. Assume household income is normally distributed.
$37,500 ............44,800
33,500 ............36,900
42,300 ............32,400
28,000 ............41,200
46,600 ............38,500
40,200 ............32,000
35,500 ............36,800
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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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