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Author Question: In a study involving car owners, one question asked the owner for the number of miles driven last ... (Read 132 times)

Haya94

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In a study involving car owners, one question asked the owner for the number of miles driven last year. A second question asked the owner for the age of the vehicle.
 
  A joint frequency distribution would be useful for determining whether newer cars tend to be driven more miles than older cars. Indicate whether the statement is true or false

Question 2

What is the standard deviation if the proportion is 0.18 found from ten samples each of size 100, twelve samples each of size 128, fifteen samples each of size 120, and eight samples each of size 125?
 
  A) 0.077
  B) 0.068
  C) 0.035
  D) 0.059


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okolip

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Haya94

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Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it


flexer1n1

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Reply 3 on: Yesterday
Gracias!

 

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