A local bank wants to study waiting times of customers. A sample of four customers is selected on successive days, and the time is measured from the point each customer enters the line to when he or she reaches the teller window. The results are shown in the data table. a. Construct a control chart for x. b. Is the process within statistical control? Click the icon to view the data. Click the icon to view a table of control chart factors. a. Construct a control chart for x. Choose the correct graph below. O A. Sample Mean IMM Sample 20 CLQ b. Select the correct choice. B. Sample Mean IMM Sample UCL LCL 22 Q Sample Mean C. mama Sample Q UCL 20 5 D. Sample Mean OA. No, because there is at least one point lying outside of the region between the upper and lower control limits. OB. No, because there are eight consecutive points all above or all below the centerline. OC. No, because there is a trend, pattern or cycle that is obviously not random. O D. Yes, because none of the criteria are satisfied. Sample Q UCLQ 20
A local bank wants to study waiting times of customers. A sample of four customers is selected on successive days, and the time is measured from the point each customer enters the line to when he or she reaches the teller window. The results are shown in the data table. a. Construct a control chart for x. b. Is the process within statistical control? Click the icon to view the data. Click the icon to view a table of control chart factors. a. Construct a control chart for x. Choose the correct graph below. O A. Sample Mean IMM Sample 20 CLQ b. Select the correct choice. B. Sample Mean IMM Sample UCL LCL 22 Q Sample Mean C. mama Sample Q UCL 20 5 D. Sample Mean OA. No, because there is at least one point lying outside of the region between the upper and lower control limits. OB. No, because there are eight consecutive points all above or all below the centerline. OC. No, because there is a trend, pattern or cycle that is obviously not random. O D. Yes, because none of the criteria are satisfied. Sample Q UCLQ 20
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 1GP
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