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Author Question: A researcher selects a pair of random samples and predicts beforehand that Group 1 will score higher ... (Read 24 times)

burton19126

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on: Jun 20, 2018
A researcher selects a pair of random samples and predicts beforehand that Group 1 will score higher than Group 2. The scores in Group 1 are 6, 7, 10, 9, 8. The scores in Group 2 are 3, 4, 9, 7, 5.
 
  a. Find the t ratio
  b. As a one-tail t, should Ho be rejected?
   If rejected, state the probability of the alpha error.
  c. Do the two groups represent a single population?

Question 2

Degrees of freedom are a direct function of the sample size for all
  statistical tests except the paired t.
 
  Indicate whether the statement is true or false


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Sophiapenny

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

a t=1.863

Answer to Question 2

F


burton19126

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Reply 2 on: Jun 20, 2018
Excellent

yeungji

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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