Jamison Kovach Supply Company manufactures paper clips and other office products. Although inexpensive, paper clips have provided the firm with a high margin of profitability. Sample size is 50. Results are given for the last 10 samples. Sample Defectives 1 2 3 4 5 6 7 8 9 10 4 7 2 5 5 5 5 4 2 11 The type of control chart that is best to monitor this process is