Project #35177 - quiz

What type of research uses numeric measurement data? (Points : 3)       
      

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Question 11. 11.

Which of the examples below represent the Ratio level of scaling?

A) A high temperature of 83 degrees Fahrenheit
B) A survey result that 24 students work full time, 36, part time.
C) Bill is consistently rated most effective communicator of his group.
D) Gallup says that 60% of the voters support the incumbent.
E) Pick up three pounds of ground beef please.
F) Patty acts as expected based on her first-born family position.
G)  Seattle at an altitude of 67 feet is higher than Death Valley at an altitude of –   120.
H) The door is 37 inches wide, the door frame is 36 inches wide.

(Points : 3)
      
      
      
      

 

Question 12. 12. Select those issues that only relate to selecting a specific statistical test. (Do not select items common to all tests or not applying to statistical tests.) (Points : 3)
       
       
       
       
       
       
       
       

 

Question 13. 13.

Which of the following apply to Populations?

A) parameter
B) “Roman” letters, i.e.: x, s
C)  A bounded, defined complete group (people, objects, etc.) having something in common to be described in its totality
D) “Greek” letters, i.e.: μ, σ
E) One or more subsets of a larger defined group, used to represent the larger group
F) 170 Republicans selected randomly from King County voter records
G)  All Democrats in the state of Washington (totality)

(Points : 3)
      
      
      
      

 

Question 14. 14.

As an Argosy student, you are designing a training program to help develop team cohesiveness in a healthcare facility. You have a before and after test which measures behaviors indicating team cohesiveness. For this scenario, which of the following represents the Null hypothesis?

A) H1: There is a significant difference in the teaming behavior before and after the training.
B)  H0: There is no significant difference in the teaming behavior before and after the
training.
C) H1: There is no significant difference in the teaming behavior before and after the
training.

D) H0: There is a significant difference in the teaming behavior before and after the training

(Points : 3)
      
      
      
      

 

Question 15. 15. The sole purpose of business research is to increase profit margins? (Points : 1)
      
      

 

Question 16. 16. When conducting business research the investigator must make his/her opinions known about possible results? (Points : 1)
      
      

 

Question 17. 17. When one is conducting business research the most important factor is developing a reasonable researchable question? (Points : 1)
      
      

 

Question 18. 18. Business research should always begin with an alternate hypothesis? (Points : 1)
      
      

 

Question 19. 19. The null hypothesis states that a difference, effect or relationship exists in a research situation? (Points : 1)
      
      

 

Question 20. 20. The confidence level expresses the degree of certainty that an interval will include the actual value of the population parameter? (Points : 1)
      
      

 

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Question 28. 28. A large mass of data can best be summarized pictorially by means of:  (Points : 3)
      
      
      
      

 

Question 29. 29. For a symmetric distribution, the mean and median are (Points : 3)
      
      
      
      

 

Question 30. 30. A distribution of 6 scores has a median of 21. If the highest score increases 3 points, the median will become (Points : 3)
      
      
      
      
      

 

Question 31. 31. If you are told a population has a mean of 25 and a variance of 0, what must you conclude? (Points : 3)
      
      
      
      
      

 

Question 32. 32. Which of the following measures of central tendency tends to be most influenced by an extreme score? (Points : 3)
      
      
      

 

Question 33. 33. Which of the following is not a measure of central tendency? (Points : 3)
      
      
      
      
      

 

Question 34. 34. A graphical presentation may accomplish ALL BUT which of the following objectives?   (Points : 3)
      
      
      
      

 

Question 35. 35. A coach in a large high school thinks that ballet training will improve the batting performance of his baseball team.  He decides to have a randomly selected half of the team take six weeks of ballet training before the baseball season begins, while the other half does not take such training.  He will then compare the season batting averages of group A (those with ballet training) and group B (those without ballet training) by comparing the mean of group A with the mean of group B.

 An independent variable is: (Points : 3)
      
      
      
      
      

 

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Question 43.
 
Worker A
Worker B
Mean time of completing the job (minutes)
30
25
Standard deviation (minutes)
6
4

Which worker appears to be more consistent in the time he requires to complete the job? Explain.

      
      

 

Question 44.
 
Worker A
Worker B
Mean time of completing the job (minutes)
30
25
Standard deviation (minutes)
6
4

Which worker appears to be faster in completing the job? Explain.

      
      

 

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Question 59.

Subject Business
Due By (Pacific Time) 07/13/2014 08:00 am
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