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Author Question: Suppose the following is a sample of the sell back prices for five used mathematics textbooks at a ... (Read 73 times)

DelorasTo

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on: Jul 24, 2018

Suppose the following is a sample of the sell back prices for five used mathematics textbooks at a local college. If the population distribution is continuous and symmetric, which of the following is a point estimate for the mean value of used textbooks?
  Data: 10, 13, 12, 21, 15


   
  a.13
  b.1.88
  c.4.21
 

d.71
 
 



Question 2


  A confidence interval is an interval of values that covers which of the following from the population with confidence?
 

  a.statistic
  b.range of values
  c.parameter
 

d.sample mean
 
 



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Eazy416

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

correct: a

Answer to Question 2

correct: c


DelorasTo

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  • Posts: 548
Reply 2 on: Jul 24, 2018
Gracias!

tuate

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Reply 3 on: Yesterday
Wow, this really help

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