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DougMcCartney DougMcCartney
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Posts: 2982
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6 years ago
Below is a plot showing residuals versus fitted values for the estimated regression equation relating monthly sales of coffee to price per kilogram. Based on this plot we can say



A) The linearity condition is not satisfied.
B) The linearity condition is reasonably satisfied.
C) A slight thickening of the plot is definitely not evident.
D) The correlation coefficient is close to one.
E) Nothing related to regression analysis can be said based on this graph.
Textbook 
Business Statistics, Canadian Edition

Business Statistics, Canadian Edition


Edition: 2nd
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TolgahanTolgahan
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6 years ago
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"We know what we are but not what we may be."  Ophelia in Hamlet

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DougMcCartney Author
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6 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
kobbhy
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This site is awesome
GeorgeNeist
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2 hours ago
Thanks
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