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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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Biraj Biraj
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4 years ago
A regression analysis of company profits and the amount of money the company spent on advertising found r2 = 0.72.  Which of these is true?
I.   The model can correctly predict the profit for 72% of companies.
II.  On average, about 72% of a company's profit results from advertising.
III. On average, companies spend about 72% of their profits on advertising.

▸ III only

▸ I only

▸ I and III

▸ II only

▸ none
Textbook 
Stats: Modeling the World

Stats: Modeling the World


Edition: 4th
Authors:
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rinderbikrinderbik
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#1
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4 years ago
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Biraj Author
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4 years ago
This site is awesome
annielin111
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Yesterday
Helped a lot
jakechambo3
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2 hours ago
Brilliant ツ
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