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Author Question: With a paired t, a significant correlation has the effect of reducing the value of the estimated ... (Read 37 times)

Arii_bell

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on: Jun 20, 2018
With a paired t, a significant correlation has the effect of reducing the
  value of the estimated standard error of difference.
 
  Indicate whether the statement is true or false

Question 2

A researcher selects a pair of random samples and predicts beforehand
  that Group 2 will score higher than Group 1. The scores in Group 1 are 11, 10,
  8, 3, 7, 1. The scores in Group 2 are 12, 11, 8, 4, 9, 2.
 
  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?


atrochim

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

T

Answer to Question 2

a t=-0.441


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Arii_bell

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Reply #2 on: Jun 20, 2018
Thank you


atrochim

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Reply #3 on: Jun 20, 2018
No problem :)


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