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Author Question: Suppose a researcher wants to test whether there is a difference in the mean performance of three ... (Read 78 times)

@Brianna17

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on: Jun 24, 2018
Suppose a researcher wants to test whether there is a difference in the mean performance of three different types of pain reliever. If 15 individuals were randomly selected to try each type of pain reliever and rate the amount of relief, what would be the degrees of freedoms for SS(within) in an analysis of variance?
 a. 17
 
  b. 44
 
  c. 42
 
  d. 2

Question 2

Common cause variation is the inherent variation in an in-control process.
 a. True
  b. False
   Indicate whether the statement is true or false


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Sierray

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Reply #1 on: Jun 24, 2018
Answer to Question 1

c

Answer to Question 2

TRUE


@Brianna17

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Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it

nyrave

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Reply 3 on: Yesterday
Wow, this really help

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