In Try It Yourself 4, you calculated the correlation coefficient of the number of years out of

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In Try It Yourself 4, you calculated the correlation coefficient of the number of years out of school and annual contribution data to be r ≈ -0.908. Is the correlation coefficient significant? Use α = 0.01.

a. Determine the number of pairs of data in the sample.

b. Identify the level of significance.

c. Find the critical value. Use Table 11 in Appendix B.

d. Compare | r | with the critical value and decide whether the correlation is significant.

e. Interpret the decision in the context of the original claim.

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Elementary Statistics Picturing The World

ISBN: 9780321911216

6th Edition

Authors: Ron Larson, Betsy Farber

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Question Posted: Nov 24, 2015 08:12 AM

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In Try It Yourself 4, you calculated the correlation coefficient of the number of years out of

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a n 7 b 001 c 0875 d r 0908 0875 The correlation is si...View the full answer

Elementary Statistics Picturing The World

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