Sunshine and Skin Cancer Narrative

Essay

Sunshine and Skin Cancer Narrative
A medical statistician wanted to examine the relationship between the amount of sunshine (x) in hours, and incidence of skin cancer (y). As an experiment, he found the number of skin cancers detected per 100,000 of population and the average daily sunshine in eight counties around the country. These data are shown below:
-Refer to Sunshine and Skin Cancer Narrative. What does the value of the slope of the regression line tell you?