Suppose a Manufacturer of Canned Corn Randomly Selects Five Cans

Essay

Suppose a manufacturer of canned corn randomly selects five cans of corn each hour and counts the number of kernels in these cans in order to assess quality.For the first thirty hours the average number of kernels in the 150 cans tested was 245.26.The average range for the thirty samples was 12.45.On the basis of this data:A.Determine the upper and lower control limits for the X-bar chart.
B.Determine the upper and lower control limits for the R chart.