The director of an alumni association for a small collage th

The director of an alumni association for a small collage there is any type of relationship between the amount of on dollars) and the years the alumnus has been out of school The following output was obtained from Minitab. Correlation: years, contribution

Solution

Let us assume the significnace level 0.05.

Since p-value(0.02) of correlation test is less than 0.05 so it shows that there is a correlation between the variables amount of contribution and years.

Correlation coefficient is -0.883, so it relationship between the variables is negative and strong. That is as the number of pass out year increases, contribution amount decreases.