PP and PPK LEAN Six Sigma Black Belt
-
Construct a histogram from the data below.
-
Is the processes approximately normally distributed?
-
Calculate Pp and Ppk.
-
Are the processes acceptable?
|
Data: Wait times |
|
2 |
|
11 |
|
9 |
|
8 |
|
6 |
|
12 |
|
9 |
|
9 |
|
8 |
|
13 |
|
11 |
|
7 |
|
7 |
|
10 |
|
14 |
|
4 |
|
8 |
|
10 |
|
9 |
|
9 |
|
15 |
|
9 |
|
9 |
|
6 |
|
10 |
|
9 |
|
7 |
|
9 |
|
8 |
|
5 |
-
Pp (round final result to 6 decimal places):
-
Ppk (round final result to 6 decimal places):
-
Is the process reasonably normally distributed?
-
Yes or NO
-
-
Is the process acceptable? What is the basis for your decision?
-
Yes or No, and Why
-
-
Con
-
Is the processes approximately normally distributed?
-
Calculate Pp and Ppk.
-
Are the processes acceptable?
|
Data: Wait times |
|
2 |
|
11 |
|
9 |
|
8 |
|
6 |
|
12 |
|
9 |
|
9 |
|
8 |
|
13 |
|
11 |
|
7 |
|
7 |
|
10 |
|
14 |
|
4 |
|
8 |
|
10 |
|
9 |
|
9 |
|
15 |
|
9 |
|
9 |
|
6 |
|
10 |
|
9 |
|
7 |
|
9 |
|
8 |
|
5 |
