seattle

seattle you have to solve the case and find the mean chart (X-Bar Chart) Measures central tendency of a sample Range chart (R-Chart) Measures the amount of dispersion in a sample p-charts The p-chart graphs the proportion of defective items from subgroups, called p1, p2, p3, … c-chart Sometimes it is not possible to find the proportion defective in a sample as we don’t know how many non-defectives could have been there The Cpk Capability Index Cpk value that is smaller than 1 (most companies prefer 1.33) indicates that the process fails to satisfy the specs. Motorola has a Cpk value 2.