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. Calculate the residual corresponding to the pair (x, y) = (8, 15).

Question

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. Calculate the residual corresponding to the pair (x, y) = (8, 15).

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The Answer of 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. Calculate the residual corresponding to the pair (x, y) = (8, 15).