Question

sandeep's grandfather advised him to abstain from the use of vehicles the run on petrol,because
(1) petrol is a renewable source of energy.
(2) petrol is very expensive
(3) petrol is a non-renewable source of energy
(4) none of these​

Answer 1

Answer:

Statistical process control was pioneered by Walter A. Shewhart at Bell Laboratories in the early 1920s. Shewhart developed the control chart in 1924 and the concept of a state of statistical