v a contorol chart is a graphical tool to help determine if a process may be exhibiting non random variations that needs to be investigated if non random variations is present the process is said to be out of control otherwise it is said to be in control the foloowing figure shows a control chart for a productionline that fills boxes of cereal. based on the data we can calculate the mean weight of a box of cereal when the process is in control the mean weight is 16.05 ounces we can also calculate control limits an upper contol limits and lower control limits new sample are collected over time and the data inicates that the process is in control so long as the new sample weights are between uscl and lcl as shown in the chart only 5 is outside of control limits. a0 is the control chart an example of descriptie predicitve or prescreptive analytics/ B) supose the control cart is part of the dat dashboard and the chart is combined with a rule that does the following if four consecutive sample mean weights are outside of theof the control limits the production line is automatically stopped and a message appears on the dashboard the message appears on the dashboard the message says the production line is stopped the process may be out of control. please inspect the fill machine is this new enhanced control chart combined with a rule an example of descriptive predictive or prescriptive analytics