Solve the below:
Q: The local newspaper receives several complaints per day about typographic errors. Over a seven-day period, the publisher has received calls from readers reporting the following total daily number of errors; 4, 3, 2, 6, 7, 3, and 9. Based on these data alone, what type of control chart(s) should the publisher use?
Your response include: p-chart; c-chart; x-bar chart; R-chart; and x-bar chart and R-chart.