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Author Question: William has 20 students take a test on two different occasions. What would be the df if he wanted to ... (Read 50 times)

penza

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on: Jun 20, 2018
William has 20 students take a test on two different occasions. What would be the df if he wanted to compare the mean scores from both occasions?
 
  a. 39
  b. 38
  c. 19
  d. 18

Question 2

Significance tests have two components. They are:
 
  a. size of effect; independence
  b. independence; dependence
  c. size of effect; size of study
  d. p value; test statistic


morganmarie791

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

c

Answer to Question 2

c


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