19.2 Let’s say you live on a little used back road that leads to the ski slopes.

Over the years, you have noticed that there seems to be a correlation between the number of inches of snowfall and traffic on your road.

You collect some data and now wish to analyze them using correlation and a test of significance. You also wish to visualize the data on a graph that includes a Fit Line. Write the null and alternative hypotheses, calculate the coefficient and the significance level, and then build the graph. The data are as follows: