A Medical Statistician Wanted to Examine the Relationship Between the Amount

question 21

Essay

A medical statistician wanted to examine the relationship between the amount of sunshine (x) 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 country towns around NSW. These data are shown below. $$\begin{array} { | l | c | c | c | c | c | c | c | c | } \hline \text { Average daily sunshine (hours) } & 5 & 7 & 6 & 7 & 8 & 6 & 4 & 3 \\\hline \text { Skin cancer per } 100000 & 7 & 11 & 9 & 12 & 15 & 10 & 7 & 5 \\\hline\end{array}$$ Can we conclude at the 1% significance level that there is a linear relationship between sunshine and skin cancer?

---

Definitions:

Internet

A global network of interconnected computers and servers that enables the exchange of data, communication, and access to information.

Consumers

Individuals or organizations that use or intend to use goods and services generated within the economy, fulfilling their needs and desires.

Utility

The benefits or customer value received by users of the product.

Retailing

All activities involved in selling, renting, and providing products and services to ultimate consumers for personal, family, or household use.