More on out-of-state tuition. Refer to the previous
Chapter , Problem 10.20(choose chapter or problem)
More on out-of-state tuition. Refer to the previous exercise. TUITION (a) Construct a 95% confidence interval for the slope. What does this interval tell you about the annual percent increase in out-of-state tuition between 2008 and 2011? (b) In Exercise 10.17(c) you constructed a similar 95% confidence interval for the annual percent increase in in-state tuition. Suppose that you want to test whether the increase is the same for both tuition types. Given the two slope estimates b1 and standard errors, could we just do a variation of the two-sample t test from Chapter 7? Explain why or why not.
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