[continuation…] We are interested in studying whether we c…

[continuation…] We are interested in studying whether we can predict oxygen intake rate given age. The following regression output was produced. A snapshot of some of the raw data is also provided. C. Interpret the slope of the line in the context of the problem. [3 points]D. Interpret the coefficient of determination in the context of the problem. [3 points]E. Calculate the residual associated with a 42 year old man. [2 points]F. Determine if the regression line over or under-predicts at this data point. Explain. [2 points]

A random sample of students were asked the amount of money t…

A random sample of students were asked the amount of money they spent at a coffee shop on a given day and the number of exams they have that week.  The following scatterplot and regression equation were generated. What proportion of the variation in money spent can be explained by the regression line that uses number of exams as a predictor?

A coffee shop manager would like to study the amount of mone…

A coffee shop manager would like to study the amount of money college students spend at their shop on a given day.  The following test was completed in Minitab for testing whether the average amount of money spent at the coffee shop by college students is greater than $5 a day. Which is a correct conclusion based on the test results, using a 5% level of significance?