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data: n=22 13.9 10.9 9.3 5.2 14.0 2.0 3.2 12.0 13.0 11.3 12.2 5.0 2.0 2.0 17.1 13.4 6.0 14.0 18.0 13.6 5.4 8.7 1.

data: n=22

13.9 10.9 9.3 5.2 14.0 2.0 3.2 12.0 13.0 11.3 12.2

5.0 2.0 2.0 17.1 13.4 6.0 14.0 18.0 13.6 5.4 8.7

1. compute x and s2;

2. test H0 : u = 4.50 vs. HA : u is not= 4.50 at the 5% significance level.

3. construct a 95% confidence interval for u.

4. construct a 99% confidence interval for u.

5. report your p-value of the test in (2).

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