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Author Question: What conclusions can you draw about the relationship between ice cream sales and daily temperature? ... (Read 115 times)

krzymel

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  • Posts: 548
on: Jun 24, 2018
What conclusions can you draw about the relationship between ice cream sales and daily temperature?
 
  What will be an ideal response?

Question 2

The multiple coefficient of determination for a multiple regression model with two explanatory variables X1 and X2:
 
  A) measures the variation around the predicted regression equation.
  B) measures the proportion of variation in Y that is explained by X1 and X2.
  C) measures the proportion of variation in Y that is explained by X1 holding X2 constant.
  D) has the same sign as b1.


paavo

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  • Posts: 301
Reply #1 on: Jun 24, 2018
Answer to Question 1

There appears to be a slight positive relationship between daily temperature and ice cream sales.

Answer to Question 2

B


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