Match the following group 1 (charts) with group 2 (use) and select the correct option. 1. R chart ----------------------------------------------- A. study the number of defects per unit 2. C chart ----------------------------------------------- B. size of variable is studied3. P chart ----------------------------------------------- C. dispersion of measured data4. chart ----------------------------------------------D. defective units produced per subgroup

• A. 1 A, 2 B, 3 D, 4 - C
• B. 1 C, 2 D, 3 B, 4 - A
• C. 1 A, 2 D, 3 B, 4 - C
• D. 1 C, 2 A, 3 D, 4 - B