1) In a CONTROL chart, the upper control limit is how many estimated standard deviations above the average or mean?

Group of answer choices

a)50

b)4

c)3

d)6

2) For 127 consecutive days, a process engineer has measured the temperature of champagne bottles as they are made ready for serving. Each day, she took a sample of 7 bottles. The average across all 889 bottles (127 days, 7 bottles per day) was 50 degrees Fahrenheit. The standard deviation across all bottles was 1.5 degree Fahrenheit. When constructing a basic chart, the center line is _____ degrees Fahrenheit.

Group of answer choices

60

40

39

50

3) Which of the following elements is not part of a control chart?

Group of answer choices

The control limits, LCL and UCL

The long-run center line

The specification limits, LSL and USL

values from each sample