Use the following information to answer questions (problems) 16 - 18. The following data are the...

Use the following information to answer questions (problems) 16 - 18. The following data are the result of inspecting aircraft seat belt buckles produced in various lot sizes.

Number of buckles in each sample	Number of defective buckles found
100	15
110	7
95	18
90	8
150	10
85	14
50	9
115	20
110	6
95	12

A- WORTH 4 POINTS: What is the average percent defective? Show work & formulae used or just use Minitab and attach/embed.

ANSWER: _______________________

B- WORTH 8 POINTS: What are the upper and lower control limits for the smallest subgroup and the largest subgroup? Show work & formulae used or just use Minitab and attach/embed. Each answer is worth two points apiece.

UCL_{Largest Subgroup} = _____________
LCL_{Largest Subgroup} = _____________
UCL_{Smallest Subgroup} = ____________
LCL_{Smallest Subgroup} = ____________

C- WORTH 4 POINTS: What type of control chart should be used for the data above?

Xbar-R Chart
p-Chart
np-Chart
c-Chart

Expert Solution

orchestra answered 3 years ago

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