What are the 99.7% upper and lower control limits
A company is producing cylindrical blocks for a children's toy. The average diameter of a block is 3.8 inches. A sample of 30 blocks is inspected and the diameters are measured. The standard deviation is estimated to be 0.04 inches.
What are the 99.7% lower and upper control limits for the x-bar chart?.. Answer should be two decimal places© SolutionLibrary Inc. solutionlibary.com January 26, 2020, 8:04 pm 9836dcf9d7 https://solutionlibrary.com/statistics/descriptive-statistics/what-are-the-99-7-upper-and-lower-control-limits-jkeg