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Author Question: For N = 20, the degrees of freedom for the test of the significance of the correlation coefficient ... (Read 78 times)

torybrooks

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on: Jun 19, 2018
For N = 20, the degrees of freedom for the test of the significance of the correlation coefficient (r) is _________.
 
  a. 20 c. 19
  b. 21 d. 18

Question 2

The sample mean is an example of _________.
 
  a. interval estimation c. confidence point
  b. point estimation d. confidence numbers


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lucas dlamini

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

D

Answer to Question 2

B


torybrooks

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Reply 2 on: Jun 19, 2018
:D TYSM

laurnthompson

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Reply 3 on: Yesterday
Wow, this really help

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