Sample Number |
Sample Mean |
Sample Range |
1 |
12.5 |
1.1 |
2 |
12.45 |
1.2 |
3 |
12.55 |
0.9 |
4 |
12.50 |
0.8 |
5 |
12.45 |
0.9 |
6 |
12.60 |
1.0 |
7 |
12.48 |
1.4 |
8 |
12.46 |
1.1 |
9 |
12.56 |
0.9 |
10 |
12.48 |
0.8 |
A company manufactures an electrical cooling fan. When the fans are performing properly, samples of 200 fans...
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...
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...
The Money Pit Mortgage Company is interested in monitoring the performance of the mortgage process. Fifteen samples of five completed mortgage transactions each were taken during a period when the process was believed to be in control. The times to complete the transactions were measured. The means and ranges of the mortgage process transaction times, measured in days, are as follows: b. Sample123456789 10 11 12 13 14 15 Mean 5 103 7 8 13 14 9 9 9 5...
The Money Pit Mortoage Company is interested in monitoring the performance of the mortoage procees. Firieen samples of five compieted mortgage traneactions each were teken duing a period when the procees was beieved to be in control The times to complete the transsctons were meesured. The meens and ranges of the mongege process trensschon imes, measured in days, are as folows: Sample 1 2 3 4 9 10 11 12 13 14 15 Mean 13 11 5 14 12 13...