a problem in the process.
EK Chemical
Part a
100 grams
100.5 grams
0.5 grams
102 grams
98 grams
Part b
100 grams
100 grams
0.5 grams
102 grams
98 grams
Target Weight:
Average Weight:
Standard Deviation:
Upper Tolerance Limit:
Lower Tolerance Limit:
Target Weight:
Average Weight:
Standard Deviation:
Upper Tolerance Limit:
Lower Tolerance Limit:
Crawford Pharmaceuticals
100 mg
100 mg
0.25 mg
Target Amount:
Average Amount:
Standard Deviation:
BHC
Part a
100 pounds
101 pounds
0.65 pounds
104 pounds
96 pounds
Lower Tolerance Limit:
Target Weight:
Average Weight:
Standard Deviation:
Upper Tolerance Limit:
Part b
Central Airlines
NO. OF LATE- p VALUES
DAY SAMPLE SIZE ARRIVING FLIGHTS (n = 30)
130 20.0667
Part a
Part c
Oceanside Apparel Company
Part a
Part b
SAMPLE
(n = 4) MEASUREMENTS (IN INCHES) MIN MAX X-bar R UCLx X-2bar LCLx UCLr r-bar LCLr
Sample Number
R chart
R UCLr r-bar LCLr
Calculating upper and lower control limits for a continuous variable (sample size = 5)
*** Observations ***
Sample 1 2 3 4 5 X-bar R
234.75 35.10 34.00 35.48 36.64 35.19 2.64
434.31 34.56 35.36 35.38 34.30 34.78 1.08
633.78 35.26 35.79 34.52 34.51 34.77 2.01
835.23 34.06 35.50 34.96 35.43 35.04 1.44
10 35.16 33.26 35.92 34.08 33.33 34.35 2.66
12 35.70 33.74 34.59 35.38 34.34 34.75 1.96
Upper control limit for sample means: 35.78
Setting Up 99.7% Control Limits, Sampling by Attribute
No. of dissatisfied sample size = 100
Sample customers p-value p-bar = 0.0927
1 9 0.0900 st. dev = 0.0290
313 0.1300
610 0.1000
911 0.1100
12 70.0700
14 90.0900
16 80.0800
19 60.0600
22 80.0800
23 11 0.1100
25 90.0900
27 80.0800
28 12 0.1200
Question 1.)
Question 2.)
Question 3.)
Lost the order
PROBLEM NUMBER
23
11
Question 4.)
Cp = 0.6536 Cp = 0.7937
Incorrect Pricing
Other problems, not listed above
90
Lost the order
Slow response to inquiries
Question 5.)
SAMPLE TEMPERATURE MEASUREMENTS
(taken when the process was under control)
A2: 0.58
LCLr: 0.000
SAMPLE TEMPERATURE MEASUREMENTS
(taken when the process was under control)
SAMPLE OBSERVATIONS (microns) X-bar R
June 10 4.2 3.9 4.0 4.0 3.9 4.00 0.3
June 15 3.8 4.2 4.0 4.8 4.2 4.20 1
A2: 0.58