All sample observations were within the control chart limits$.$ With the new data, the quality assurance group recalculated the process capability measures. It was pleased with the improved C$,$ but felt that the process should be centered at $166$ grams to ensure that everything was in order. Its decision concluded the study.a$.$ Draw the control charts for the data obtained in the initial study and verify that the process was in statistical control.b$.$ What were the values obtained by the group for Cp and Cpk for the initial capability study? Comment on your findings and explain why further improvements were necessary.c$.$ What are the Cp and Cpk after the improvements? Comment on your findings, indicating why the group decided to change the centering of the process.d$.$ What are the Cp and Cp if the process were centered at $166?$ Comment on your findings.# Notes Comments