QUESTION 24 A manufacturing company makes drawers for commercial tool cabinets. To assess the quality of...
A manufacturing company makes drawers for commercial tool cabinets. To assess the quality of the manufacturing process, the company collected one sample of 200 consecutively manufactured drawers each day for 10 days and counted the number of defective items. The resulting sample data are: Sample: Sample Size: 200 200 200 200 200 200 200 200 200 200 Defectives: 8 6 11 15 12 11 9 6 5 4 1 2 3 4 5 6 7 8 9 10 The proportion...
A manufacturing company makes drawers for commercial tool cabinets. To assess the quality of the manufacturing process, the company collected one sample of 200 consecutively manufactured drawers each day for 10 days and counted the number of defective items. The resulting sample data are Sample Sample Size: 200 200 200 200 200 200 200 200 200 200 Defectives: 8 6 11 15 12 11 9 6 5 4 1 2 3 4 5 6 7 8 9 10 The value...
The following are quality control data for a manufacturing process at Kensport Chemical Company. The data show the temperature in degrees centigrade at five points in time during a manufacturing cycle. Sample x R 1 95.72 1.0 2 95.24 0.9 3 95.18 0.9 4 95.48 0.4 5 95.46 0.5 6 95.32 1.1 7 95.40 1.0 8 95.44 0.3 9 95.08 0.2 9 10 10 95.50 0.6 11 95.80 0.6 12 95.22 0.2 13 95.60 1.3 14 95.22 0.5 15 95.04...
29. manufacturing company uses a chi-square goodness of fit test to determine if a population of all lengths of A fastener -inch bolts it manufactures is distributed according to a normal distribution. If we reasonable to assume that the population distribution is at least eject the null hy approximately normally distributed. O True O False 30. A manufacturing company produces part 2205 for the aerospace industry. This particular part can be manufactured using 3 different production processes. The management wants...
Inter State Moving and Storage Company is setting up a control chart to monitor the proportion of residential moves that result in written complaints due to late delivery, lost Items, or damaged items. A sample of 60 moves is selected for each of the last 12 months. The number of written complaints in each sample is 8, 7, 2, 3, 4, 5, 12, 7, 9, 6, 6, and 14. points Click here for the Excel Data File a. Insert the...
A lumber company makes plywood for residential and commercial construction. Every hour, five pieces of plywood are selected and the thicknesses are measured. The accompanying graphs are the control charts for the first 20 subgroup Suppose this process remained in control for the next 40 hours. The accompanying data are the thickness measurements for hours 41 through 43. Based on these data and the two control charts, what should be concluded about the pro Has the process gone out of...
Quasar Exports Ltd, a fictional Turkish manufacturer of glass, wants to use a c-chart to monitor the number of defects in the sheets of glass it produces. The company wants to use the chart to address the production problems it is experiencing and use it on an ongoing basis as a monitoring tool. To construct the chart, the company collected data over 5 days by inspecting 30 sheets of glass and recording the number defects per sheet. The data are...
Do the following problems: The following are quality control data for a manufacturing process at Kensprt Chemical Company. The data show the temperature in degrees centigrade at five points in time during the manufacturing cycle. The company is interested in using quality control charts in monitoring the temperature of its manufacturing cycle. Construct an X bar and R chart and indicate what its tells you about the process. Sample X bar R 1 95.72 1.0 2 95.24 .9 3 95.38 ...
Management at Webster Chemical Company is concerned as to whether caulking tubes are being properly capped. If a significant proportion of the tubes are not being sealed, Webster is placing its customers in a messy situation. Tubes are packaged in large boxes of 144 . Several boxes are inspected, and the following numbers of leaking tubes are found: Sample Tubes Sample Tubes Sample Tubes 1 8 8 3 15 4 2 5 9 6 16 7 3 3 10 6...
1st*variability is: in control/out of control 2nd*no samples fall/one/two/more 3rd* in control/out of control The following are quality control data for a manufacturing process at Kensport Chemical Company. The data show the temperature in degrees centigrade at five points in time during a manufacturing cycle. X Sample R 1 95.72 1.0 95.24 2 0.9 0.9 95.18 95.42 0.4 4 5 95.46 0.5 95.32 1.1 6 7 95.40 0.9 95.44 0.3 9 95.08 0.2 10 95.50 0.6 11 95.80 0.6 12...