What is the correlation coefficient between Area and Wattage

What is the correlation coefficient between Area and Wattage?

A consumer group tested a sample of electric space heaters with different wattages. The output below is for a simple regression of area heated and wattage. Area is the dependent variable, and Wattage is the independent variable. Use a significance level of 0.05 for all hypothesis tests and intervals. What is the correlation coefficient between Area and Wattage?