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Author Question: To get the best deal on a CD player, Tom called eight appliance stores and asked the cost of a ... (Read 70 times)

Jipu 123

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on: Aug 1, 2018
To get the best deal on a CD player, Tom called eight appliance stores and asked the cost of a specific model. The prices he was quoted are listed below:
 
  225 288 207 245 370 138 413 322
  Compute the standard deviation s.
  A) 609,408.0 B) 666,640.0 C) 346.0 D) 90.4

Question 2

Describe the difference between z scores and area scores. Show each score's relationship to the graph of the standard normal distribution and discuss the possible sign values for each score.
 
  What will be an ideal response?


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kilada

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Reply #1 on: Aug 1, 2018
Answer to Question 1

D

Answer to Question 2

z scores measure the number of SD above or below the mean, and thus they can be either positive or negative. Area scores refer to the area under the curve between the mean and the corresponding z score. Area scores are always positive.


Jipu 123

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Reply 2 on: Aug 1, 2018
Gracias!

Sarahjh

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

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