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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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ssp ssp
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2 years ago
Use the information below to answer the following question(s).

Some research has indicated that as people age they need less sleep. A random sample of adults was selected and the number of hours that they slept last night was recorded. Simple regression analysis was performed on this sample and the results are shown below.




According to these regression results, the average number of hours that a person who is 40 years old is ________.

▸ 6.8

▸ 7.1

▸ 7.7

▸ 8.4
Textbook 
Business Statistics

Business Statistics


Edition: 2nd
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wanjigagawanjigaga
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