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Author Question: In evaluating the results of experimental research, secondary variance is considered to be a. ... (Read 49 times)

audie

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on: Jun 20, 2018
In evaluating the results of experimental research, secondary variance is
  considered to be
 
  a. an essential component of the design
  b. a result of the action of the independent variable
  c. the result of the influence of any uncontrolled, or confounding, variables
  d. the error term in the F ratio

Question 2

The standard deviation of the population of men's collar sizes is 1.02
  inches. A random sample of 12 men was selected and yielded a mean collar size
  of 15.50 inches.
 
  a. Calculate the standard error of the mean.
  b. Use the z test to establish whether this sample could represent the
   population of men's collar sizes which is known to have a mean of 15 inches.


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ndhahbi

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Reply #1 on: Jun 20, 2018
Answer to Question 1

c

Answer to Question 2

a SEm = .29


audie

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Reply 2 on: Jun 20, 2018
Excellent

nyrave

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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