Stat 322 – HW 8

Due Friday, March 16

 

Remember to define parameters of interest, state null and alternative hypothesis, and comment on technical conditions.  If you use Minitab, include copies of the Minitab output

1) exercise #7 (p. 641)

 

2) exercise #8 (p. 641-2)

 

3) exercise #28 (p. 662)

Be especially careful with the hypothesis statements here

 

ements here

 

4) exercise #4 (p. 707)

 

5) exercise #10 (p. 708)