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Author Question: True or false, areas under the standard normal curve cannot be negative, whereas z-scores can be ... (Read 89 times)

james9437

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on: Jul 25, 2018
True or false, areas under the standard normal curve cannot be negative, whereas z-scores can be positive or negative.
 
  A) True B) False

Question 2

Before opening a new dealership, an auto manufacturer wants to gather information about car ownership and driving habits of the local residents.
 
  The marketing manager of the company randomly selects 1000 households from all households in the area and mails a questionnaire to them. Of the 1000 surveys mailed, she receives 140 back. Determine the type of bias.


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peilian

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Reply #1 on: Jul 25, 2018
Answer to Question 1

A

Answer to Question 2

Nonresponse bias


james9437

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Reply 2 on: Jul 25, 2018
:D TYSM

lcapri7

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Reply 3 on: Yesterday
Excellent

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