Supppose an intern in the quality department of a manufacturing company is tasked with propposing an approach to improve a process that has bad Cpk but a good Cp . Which is a bettter approach to solving this problem? a. Expand the range between upper and lower specification limits. b. First, the assignable (special) cause variation should be removed. c. Simultaneously address both common and assignable cause variations. d. First, the common (natural) cause variation should be removed.

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Forecasting

Forecasting is a methodology that uses historical data as inputs to make well-informed predictions about the course of future trends. Forecasting is the method of making forecasts based on historical and current data, most commonly by trend analysis. In the business world, forecasting is a basic statistical task. Forecasting is used by businesses to decide how to allocate their budgets or prepare for expected expenditures in the future. Forecasts help managers formulate and execute production plans by providing forecasts. The primary goal of forecasting is to make accurate predictions.