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Question

A store manager wishes to find out whether there is a relationship

between the age of her employees and the number of sick days they take each year. The data for the sample follow. Test the hypothesis at α =0.05.


Age (x) 18 26 39 48 53 58
Days (y) 16 12 9 5 6 2


Find the correlation coefficient (r):
a.-0.979
b.0.979
c.0.911
d.-0.91


Find the critical value:
a.±0.811
b.±0.878
c.±0.754
d.±0.707

Step-by-step answer

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