Samples of package orders were taken at the Alto- diez Package Co. to determine if the orders were prepared correctly. The percent defectives for each sample are given in the worksheet Prob. 8-41 for 25 samples. Two hundred orders are inspected each day for each sample. Construct a p-chart and interpret the results.

PharmaSuiyica, Inc., a mail-order prescription drug vendor, measured the number of defects per standard 200-line order being picked in their distribution center. Construct a c-chart for data in the table in the worksheet Prob. 8-47 and interpret the results.

  

Problem 8-41 Altodiez Package Co. Sample Number of Errors 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 3 3 3 4 7 8 3 3 6 8 7 7 3 2 3 7 8 2 7 5 3 5 6 7 8