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Author Question: When a categorical variable has 5 levels, ________ dummy variables need to be added to the model. ... (Read 100 times)

misspop

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When a categorical variable has 5 levels, ________ dummy variables need to be added to the model.
 
  A) 5
  B) 0
  C) 4
  D) 2

Question 2

In a recent study of the sales prices of houses in a Midwestern city, the mean sales price has been reported to be 167,811 while the median sales price was 155,600.
 
  From this information, you can determine that the data involved in the study are left-skewed. Indicate whether the statement is true or false


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peilian

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misspop

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Reply 2 on: Jun 24, 2018
Excellent


brbarasa

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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