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Author Question: The sign of t is important because it indicates whether _____. a. the result is consistent with ... (Read 14 times)

Cooldude101

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on: Jun 19, 2018
The sign of t is important because it indicates whether _____.
 
  a. the result is consistent with the null hypothesis
  b. there was a mistake in the calculations
  c. the result is consistent with a nondirectional hypothesis
  d. the result is consistent with a directional alternative hypothesis

Question 2

The value of t is positive when _____.
 
  a. subject variance is greater than treatment variance
  b. the mean of the treatment group is greater than the mean of the control group
  c. subject variance is less than treatment variance
  d. the mean of the treatment group is less than the mean of the control group


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LVPMS

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Reply #1 on: Jun 19, 2018
Answer to Question 1

D
IF the independent variable increased the scores, t will be positive; if it decreased the scores, it will be negative. A directional alternative hypothesis specifies the direction of the change caused by the independent variable.

Answer to Question 2

B
The mean of the control group is subtracted from the mean of the treatment group in the numerator of the formula for the t test.


Cooldude101

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Reply 2 on: Jun 19, 2018
:D TYSM

kilada

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

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