Answer:
x < 7
Step-by-step explanation:
Given
5x - 7 < 28 ( add 7 to both sides )
5x < 35 ( divide both sides by 5 )
x < 7
Answer:
R - chart
Step-by-step explanation:
Range chart (R chart) is a control chart used for processes with two or more subgroups to determine if a process is stable or not. It monitors the mean and range of a normally distributed variable simultaneously collected at regular intervals during a given time. It is used when measuring small subgroups between two and ten at regular intervals from a process. Iy is a;so used for constant subgroups.
Answer:
I am not sure, but i think it is A
Step-by-step explanation: