Question: 1. A random sample of size n = 16 from a normal population yielded x = 10 and s = 5. Find a 95% confidence

1. A random sample of size n = 16 from a

normal population yielded x = 10 and s = 5. Find a

1. A random sample of size n = 16 from a normal population yielded x = 10 and s = 5. Find a 95% confidence interval for the population mean /. A. (7.34, 12.66) B. (7.55, 12.45) C. (8.71, 11.29) D. (9.02, 10.98) E. (8.63, 11.37) 2. Refer to last question. To test Ho : M = 8 vs Ha : u > 8, what is observed value of the test statistic? A. 2 B. .4 C. 0 D. 6.4 E. 1.6 3. Refer to last question. What is the conclusion of the test under a = .01? A. Do not reject Ho B. Reject Ho

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