In: Statistics and Probability
1. True or False: The central limit theorem justifies the common
assumption that the distribution of a
product’s parameters is normal.
2. True or false: An X bar chart with points falling above the upper control limit is in control.
3.True or False: One or more points that fall outside control limits indicates that a process is NOT capable
4. One-third of the units produced by a particular process step
do not meet customer-specific tolerances.
Which of the following statements, in the language of SPC, is
true?
__a. The process is in control.
__b. The process is out of control.
__c. The process is capable.
__d. The process is not capable.
__e. None of the answers are correct.