Jason believes that the sales of coffee at his coffee shop depend upon the weather. He has taken a sample of 6 days. Below you are given the results of the sample

Cups of coffee sold Temperature

350 50

200 60

210 70

100 80

60 90

40 100

Required

1.Which variable is the dependent variable?

2.Compute the least squares estimated regression equation.

3.Predict sales of a 90 degree day

4.Calculate the SSR, SSE and SST.

5.Compute the Coefficient of Determination andCorrelation Coefficient between temperature and the sales of coffee

6.Is there a significant relationship between the sales of coffee and temperature? Use a .05 level of significance. Do both T-test and F-test.Be sure to state the null and alternative hypotheses in each case.