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April 20, 2014

Homework Help: STATISTICS 014

Posted by azriel ed pagayunan on Tuesday, October 11, 2011 at 9:32am.

1. A manager wishes to find out whether there is a relationship between the age of his employees and the number of sick days they take each year. The data is given below:

Age (X) 18 26 39 48 53 58 24 50
Days (Y) 16 12 9 5 6 2 10 7

a. What is the null hypothesis?
b. What is the strength and the direction of relationship?

c. Is the relationship significant?
d. What proportion of the number of sick days can be explained by the age of the employee?
e. In a sentence or so, give an appropriate interpretation of the analysis results.

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