A sample of 144 cans of coffee showed an average weight of 32 ounces. The standard deviation of the population is known to be 1.4 ounces.
a. Construct a 68.26 confidence interval for the mean of the population.
b. Construct a 97 confidence interval for the mean of the population.
c. Discuss why the answers in Parts a and b are different.
Question 2
The three quality processes on which Juran's approach to quality focused include all of the following except
a. quality planning.
b. quality management.
c. quality control.
d. quality improvement.