Four samples of three observations each have been taken,with actual measurements (in centimetres)shown below.Construct three sigma mean and range charts,and determine if corrective action is needed.
11eab92b_c48d_2c65_99e6_039f93955d70

Question

Four samples of three observations each have been taken,with actual measurements (in centimetres)shown below.Construct three sigma mean and range charts,and determine if corrective action is needed.
 11eab92b_c48d_2c65_99e6_039f93955d70

Quizplus · Accepted Answer

The Answer of Four samples of three observations each have been taken,with actual measurements (in centimetres)shown below.Construct three sigma mean and range charts,and determine if corrective action is needed.
 11eab92b_c48d_2c65_99e6_039f93955d70

Four Samples of Three Observations Each Have Been Taken,with Actual