Because of high test costs,a single sample of wastewater sludge is tested daily for dissolved oxygen content.The appropriate control chart method is:
A) -chart and R-chart.
B)u-chart.
C)x-chart and moving range chart.
D)x-chart and R-chart.

Question

Because of high test costs,a single sample of wastewater sludge is tested daily for dissolved oxygen content.The appropriate control chart method is:
A) -chart and R-chart. 
B)u-chart. 
C)x-chart and moving range chart. 
D)x-chart and R-chart.

Quizplus · Accepted Answer

The Answer of Because of high test costs,a single sample of wastewater sludge is tested daily for dissolved oxygen content.The appropriate control chart method is:
A) -chart and R-chart. 
B)u-chart. 
C)x-chart and moving range chart. 
D)x-chart and R-chart.

Because of High Test Costs,a Single Sample of Wastewater Sludge