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Author Question: Suppose that the distribution of grocery purchases is thought to be symmetric. If the mean purchase ... (Read 110 times)

ashley

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on: Jun 24, 2018
Suppose that the distribution of grocery purchases is thought to be symmetric. If the mean purchase is 23.14, what would the median purchase be?
 
  What will be an ideal response?

Question 2

Open the data file provided with the text called AirlinePassengers. Indicate the level of data measurement for each variable in the data set.
 
  What will be an ideal response?


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Ptupou85

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

For a symmetric distribution, the mean and median are equal. Therefore, the median purchase should also be 23.14.

Answer to Question 2

Airline - nominal
Day of Week - ordinal
Time of Day - nominal
Male/Female - nominal
Business/Pleasure - nominal
Length of Trip- - ordinal
Hours to Destination - ratio
Children < 10 years - nominal
Pieces of Luggage - ratio
Pieces Carried On - ratio
Times Flown - ratio


ashley

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Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

triiciiaa

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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