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Author Question: Roscoe and Associates makes computer software for use in the telecommunications industry. ... (Read 85 times)

bb

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on: Jun 24, 2018
Roscoe and Associates makes computer software for use in the telecommunications industry.
 
  Recently, managers at the company collected data for the year 2001 on three variables: total dollars spent on research and development, total sales dollars, and total employee salaries. To graphically present these three variables, the managers would be justified in using a line chart with all three variables plotted. Indicate whether the statement is true or false

Question 2

An analyst plans to test whether the standard deviation for the time it takes bank tellers to provide service to customers exceeds the standard of 1.5 minutes. The correct null and alternative hypotheses for this test are:
 
  A) H0 :  > 1.5
  HA :   1.5
  B) H0 :   1.5
  HA :  > 1.5
  C) H0 : 2  2.25
  HA : 2 > 2.25
  D) H0 : 2 > 2.25
  HA : 2  2.25


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momolu

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

FALSE

Answer to Question 2

C


bb

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Reply 2 on: Jun 24, 2018
Gracias!

robbielu01

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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