QuestionSuppose you computed r=−0.142  using a sample size of 22 data points. Using the critical values table below, determine if the value of r is significant or not. Degrees of FreedomCritical Values190.433200.423210.413220.404230.396240.388Select the correct answer below: r is significant because it is between the positive and negative critical values. r is significant because it is not between the positive and negative critical values.  r is not significant because it is between the positive and negative critical values. r is not significant because it is not between the positive and negative critical values.

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Asked Oct 23, 2019
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Question

Suppose you computed r=−0.142  using a sample size of 22 data points. Using the critical values table below, determine if the value of r is significant or not. 

Degrees of Freedom Critical Values
19 0.433
20 0.423
21 0.413
22 0.404
23 0.396
24 0.388

Select the correct answer below:

 

r is significant because it is between the positive and negative critical values.

 

r is significant because it is not between the positive and negative critical values. 

 

r is not significant because it is between the positive and negative critical values.

 

r is not significant because it is not between the positive and negative critical values.

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Expert Answer

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Step 1

It is given that sample size (n) is 22, and r is -0.142.

Thus,

The degree of freedom (df) is:

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df n-2 22-2 = 20

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Step 2

Assume that level of significance is 0.05.

The...

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=0.423,-0.423 df=20,a=0.05)

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