PP and PPK LEAN Six Sigma Black Belt

PP and PPK LEAN Six Sigma Black Belt

1. Construct a histogram from the data below.

2. Is the processes approximately normally distributed?

3. Calculate Pp and Ppk.

4. 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

1. Pp (round final result to 6 decimal places):      

2. Ppk (round final result to 6 decimal places):    

3. Is the process reasonably normally distributed? 

   1. Yes or NO      

4. Is the process acceptable? What is the basis for your decision? 

   1. Yes or No, and Why      

1. Con

2. Is the processes approximately normally distributed?

3. Calculate Pp and Ppk.

4. 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