11.5.9. Recall the baseball data in Question 11.4.15. Test whether home run frequency and
·home park altitude are independent Let a = 0.05.
11..S.10. Test Ho; p = 0 versus Ht : p 0 for the SRE/SIRS data described in Question 11.4.17.
Let 0.01 be the level of significance.
11.§.11. Use the statistic
!tn l + R
2 1 - R
to get an expression for an approximate 100(1 - a)% confidence interval for p.
11.S.U. Use your answer to Question 11.5.11 to construct a 90% confidence interval for the correlation coefficient between the stock market's performance early in January and its accumulated performance over the entire year (see Question 11.4.18).
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