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.

a.Which variable is the dependent variable?
b.Compute the least squares estimated line.
c.Compute the correlation coefficient between temperature and the sales of coffee.
d.Is there a significant relationship between the sales of coffee and temperature? Use a .05 level of significance.Be sure to state the null and alternative hypotheses.
e.Predict sales of a 90 degree day.

Question

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.
  
a.Which variable is the dependent variable?
b.Compute the least squares estimated line.
c.Compute the correlation coefficient between temperature and the sales of coffee.
d.Is there a significant relationship between the sales of coffee and temperature? Use a .05 level of significance.Be sure to state the null and alternative hypotheses.
e.Predict sales of a 90 degree day.

Quizplus · Accepted Answer

The Answer of 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.
  
a.Which variable is the dependent variable?
b.Compute the least squares estimated line.
c.Compute the correlation coefficient between temperature and the sales of coffee.
d.Is there a significant relationship between the sales of coffee and temperature? Use a .05 level of significance.Be sure to state the null and alternative hypotheses.
e.Predict sales of a 90 degree day.

Jason Believes That the Sales of Coffee at His Coffee