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Four Air Force trainee pilots take a test of visual acuity (higher scores mean better acuity) and an anxiety test (higher scores mean more anxiety. The scores are as follows: Person          Acuity (x)     Anxiety (y) 1                             1                     7     2                            1                      8 3                            2                      4 4                            4                     -1    Calculate critical value , SP the correlation coefficient  and determine whether the correlation is statistically significant  at the .05 significance level, two-tailed

Four Air Force trainee pilots take a test of visual acuity (higher scores mean better acuity) and an anxiety test (higher scores mean more anxiety. The scores are as follows: Person          Acuity (x)     Anxiety (y) 1                             1                     7     2                            1                      8 3                            2                      4 4                            4                     -1    Calculate critical value , SP the correlation coefficient  and determine whether the correlation is statistically significant  at the .05 significance level, two-tailed

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 24PFA
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Four Air Force trainee pilots take a test of visual acuity (higher scores mean better acuity) and an anxiety test (higher scores mean more anxiety. The scores are as follows:

Person          Acuity (x)     Anxiety (y)

1                             1                     7    

2                            1                      8

3                            2                      4

4                            4                     -1   

Calculate critical value , SP the correlation coefficient  and determine whether the correlation is statistically significant  at the .05 significance level, two-tailed

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