Author Question: If a set of scores has a mean of 45 and a standard deviation of 9, then the scores have a variance ... (Read 54 times)

@Brianna17

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If a set of scores has a mean of 45 and a standard deviation of 9, then the scores have a variance of ____.
 
  a. 3
 b. 4.5
  c. 18
 d. 81

Question 2

Under what circumstances should the last names of all authors of a reference with six or more authors be included with the citation in the body of the text?
 
  a. always
 b. never
 c. the first time the citation occurs
  d. only if necessary to distinguish it from other references



Ahernandez18

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Answer to Question 1

d

Answer to Question 2

b



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