Nancy,Inc.manufactures 4 ounce chocolate bars.Random samples of size four were taken and weighed.Eight hours of observation provided the following data.

a.Determine the 3 sigma upper and lower control limits for the x-bar chart.
b.Determine the 3 sigma upper and lower control limits for the R-chart.

Question

Nancy,Inc.manufactures 4 ounce chocolate bars.Random samples of size four were taken and weighed.Eight hours of observation provided the following data.
  
a.Determine the 3 sigma upper and lower control limits for the x-bar chart.
b.Determine the 3 sigma upper and lower control limits for the R-chart.

Quizplus · Accepted Answer

The Answer of Nancy,Inc.manufactures 4 ounce chocolate bars.Random samples of size four were taken and weighed.Eight hours of observation provided the following data.
  
a.Determine the 3 sigma upper and lower control limits for the x-bar chart.
b.Determine the 3 sigma upper and lower control limits for the R-chart.

Nancy,IncManufactures 4 Ounce Chocolate Bars