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Author Question: A researcher selects a pair of random samples. In Group 1 the scores are 10, 4, 12, 5, 4, 6, 8, 7. ... (Read 32 times)

waynest

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on: Jun 20, 2018
A researcher selects a pair of random samples. In Group 1 the scores are 10, 4, 12, 5, 4, 6, 8, 7. In Group 2 the scores are 6, 4, 9, 3, 2, 5, 7, 4.
 
  a. Find the t ratio
  b. As a two-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

With an equal mean difference, when the correlation is significant, the
  paired t results in a higher t ratio than does the independent t.
 
  Indicate whether the statement is true or false


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cloudre37

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

a t=1.543

Answer to Question 2

T


waynest

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Reply 2 on: Jun 20, 2018
YES! Correct, THANKS for helping me on my review

Viet Thy

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Reply 3 on: Yesterday
Gracias!

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