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Author Question: Advanced topic: If a study has 18 participants in the experimental group and 7 in the control group, ... (Read 54 times)

Bob-Dole

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on: Jun 20, 2018
Advanced topic: If a study has 18 participants in the experimental group and 7 in the control group, what is the harmonic mean?
 
  A) 18/(18+7) + 7/(18+7) = 1.00
  B) (2)(18)/(18+7) + (2)(7)/(18+7) = 2.00
  C) (2)(18)(7) / (18+7) = 10.08
  D) (18+7)2 / (18+7) = 25

Question 2

For the independent t test, the null hypothesis is always stated in terms
   of
 
  a. the sample means
  b. the population means
  c. both of these
  d. neither of these


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juicepod

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

C

Answer to Question 2

b


Bob-Dole

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Reply 2 on: Jun 20, 2018
Wow, this really help

laurnthompson

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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