Answer: True
The control chart is graph,that is used to study how a process changes over time with date plotted in time order.
Control charts are a valuable tool for monitoring process performance. However, you have to be able to interpret the control chart for it to be of any value to you.
A control chart can use to measure schedule Trends.
Step-by-step explanation: in the situation where schedule changes control chart can be use to monitor the process.
The control chart can also serve as guide that helps to notify in case of changes.
Answer: x=10.25
Step-by-step explanation:

It is A because the ratio is 2:3
The answer to the problem is d
v + 9 / 3 = 8
v + 9 = 24
v = 24 - 9
v = 15
If you have any questions on how I got to this solution, please ask. :)