Question: 1. A production process for the JMF Semicon is monitored using x and R charts. Ten samples of n = 15 observations have been gathered with the following results:
a. Develop a control chart and plot the means.
b. Is the process in control? Explain.
2. Experiment : Randomly select the heights of at least 15 of the students in your class.
a. Develop a control chart and plot the heights on the chart.
b. Which chart should you use?
c. Is this process in control?