Use the information in Exercise 1 to test the hypotheses H 0 : 1 = 0

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Use the information in Exercise 1 to test the hypotheses H0: β1 = 0 vs. HA: β1  ≠ 0. What do you conclude about the relationship between earnings and SAT scores?


Data From Exercise 1

Does attending college pay back the investment? What factors predict higher earnings for graduates? Money magazine surveyed graduates, asking about their point of view of the colleges they had attended (Money’s Best Colleges at new.time.com/money/best-colleges/rankings/best-colleges/). One good predictor of early career earnings ($/year) turned out to be the average SAT score of entering students. Here are the regression model and associated plots. Write the regression model and explain what the slope coefficient means in this context.

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Intro Stats

ISBN: 9780134668420

5th Edition

Authors: Richard D De Veaux, Paul F Velleman, David E Bock, Nick Horton

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