Given that n=82 data points are collected when studying the relationship between average daily temperature and time spent watching television, use the critical values table below to determine if a calculated value of r=−0.974 is significant or not.dfCV (+ and -)dfCV (+ and -)dfCV (+ and -)dfCV (+ and -)10.997110.555210.413400.30420.950120.532220.404500.27330.878130.514230.396600.25040.811140.497240.388700.23250.754150.482250.381800.21760.707160.468260.374900.20570.666170.456270.3671000.19580.632180.444280.361  90.602190.433290.355  100.576200.423300.349  Select the correct answer below: r is significant because it is between the positive and negative critical values. r is not 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 not between the positive and negative critical values.

Question
Asked Oct 23, 2019
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Given that n=82 data points are collected when studying the relationship between average daily temperature and time spent watching television, use the critical values table below to determine if a calculated value of r=−0.974 is significant or not.

df CV (+ and -) df CV (+ and -) df CV (+ and -) df CV (+ and -)
1 0.997 11 0.555 21 0.413 40 0.304
2 0.950 12 0.532 22 0.404 50 0.273
3 0.878 13 0.514 23 0.396 60 0.250
4 0.811 14 0.497 24 0.388 70 0.232
5 0.754 15 0.482 25 0.381 80 0.217
6 0.707 16 0.468 26 0.374 90 0.205
7 0.666 17 0.456 27 0.367 100 0.195
8 0.632 18 0.444 28 0.361    
9 0.602 19 0.433 29 0.355    
10 0.576 20 0.423 30 0.349    

Select the correct answer below:

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

Step 1

It is given that sample size (n) is 82, and r is -0.974.

Thus,

The degree of freedom (df) is:

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df n-2 82-2 08

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Step 2

Assume that level of significance is 0.05.

The...

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=0.217,-0.217 idf=s0,am0.05)

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