This topic contains a solution. Click here to go to the answer

Author Question: Roscoe and Associates makes computer software for use in the telecommunications industry. ... (Read 90 times)

bb

  • Hero Member
  • *****
  • Posts: 544
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

momolu

  • Sr. Member
  • ****
  • Posts: 320
Answer to Question 1

FALSE

Answer to Question 2

C




bb

  • Member
  • Posts: 544
Reply 2 on: Jun 24, 2018
:D TYSM


mohan

  • Member
  • Posts: 362
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

For a complete list of videos, visit our video library