SCCC 312A Homework 7:

** JK stands for the Johnson and Kuby textbook **


JK exercises:

8.55, 8.60, 9.11, 9.12, 9.42(a), 9.45(a)[x-bar=37, s=4.817], 
9.46(a)[x-bar=87.16, s=.7422], 9.57, 9.58, 9.90(a), 9.92(a), 10.4, 10.5, 10.6, 
10.21[d-bar=3.75(verify), s_d=5.726], 10.28(a)[find d-bar yourself, s_d=5.793], 
 10.42, 10.54(a), 10.57(a), 10.76, 10.84.

NOTE:  For the hypothesis tests, make sure you state the null and alternative 
hypotheses, and, where possible, state your conclusion in terms of the real-life 
context of the problem.