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Author Question: According to the regression output above, if Age is increased by one year, what will the impact be ... (Read 56 times)

ap345

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on: Jun 29, 2018
According to the regression output above, if Age is increased by one year, what will the impact be on Weight?
 a. 0.660 lb. increase c. 2.363 lb. increase
  b. 0.279 lb. increase d. cannot be determined

Question 2

The chi-square test requires that the expected frequency in each cell of the contingency table be at least 30.
 
 Indicate whether the statement is true or false


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janieazgirl

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Reply #1 on: Jun 29, 2018
Answer to Question 1

A
According to this model, Weight increases 0.66 pounds for every year of Age. This comes from the b value (coefficient) for Age.

Answer to Question 2

F
The expected frequency in each cell should be at least 5.


ap345

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Reply 2 on: Jun 29, 2018
Thanks for the timely response, appreciate it

kjohnson

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Reply 3 on: Yesterday
Wow, this really help

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