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Tuition 2008. All 50 states offer public higher education through four-year colleges and universities and two- year colleges (often called community colleges). Tuition charges by different states vary widely for both types. Would you expect to find a relationship between the tuition states charge for the two types?

a) Using the data on the CD, make a scatterplot of the average tuition for four-year colleges against the tuition charged for two-year colleges. Describe the relationship.

b) Is the direction of the relationship what you expected?

c) What is the regression equation for predicting the tuition at a four-year college from the tuition at a two-year college in the same state?

d) Is a linear model appropriate?

e) How much more do states charge on average in yearly tuition for four-year colleges compared to two-year colleges according to this model?

f) What is the R2 value for this model? Explain what it says.

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  • Category:- Statistics and Probability
  • Reference No.:- M91724631

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