I have the same question. There is no answer posted, or I have not been able to find where it has. I'm having trouble with this Rat Freeze problem.

I have the same question. There is no answer posted, or I have not been able to find where it has. Please help.

I'm having trouble with this Rat Freeze problem.

1. Before you do any analysis, state the two types of process problems a supplier might have. I'm talking about suppliers in general so don't answer in terms of this case. Do not determine if either problem actually exists. I only want you to say what two sorts of problem could possibly exist. If you have trouble answering this question just look at the tests in chapter 10 and ask yourself what each one is for. The tests are summarized in Table 10.6 on pages 442 and 443. Again, the tests in Table 10.6 all come down to just two general types of process problems.  Put the label "1" in front of the answer you write.  Another hint: chapter 10 was about 3 things...2 of them are the problems that a supplier might have.
2. For each type of possible process problems you identified in your answer to question one, do some analysis (you decide what to do) using one or both of the 2 databases to see if the problem really does exist. Reread my descriptions of the databases so you'll know which one(s) to use for the calculation(s) you do. 

Write one paragraph for each of the two types of process problem, say what data and analysis you used to see if it really exists, and say what your conclusion is.  Label the first paragraph "2A" and the second one "2B". 

1. In answering question 2, did you confirm any test result by doing a run test? If yes, why? If no, why not?  Label the answer to this question "3".

Again, this case is to be submitted in a Word file attached to an email with "Rat Freeze" on the subject line. The email must be sent before the start of class on the dates mentioned above. 

And also again, make sure your answers are in the order in which the questions are askedand label your answers so I can easily find them. If your answers are out of order or hard to find, you will lose points. 

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Item #

Throat Diameters

1

0.1011

mean

2

0.1011

0.1009

3

0.0999

4

0.1009

5

0.1008

6

0.0997

7

0.1028

8

0.0991

9

0.0989

10

0.1001

11

0.0996

12

0.0996

13

0.1026

14

0.1016

15

0.1020

16

0.1027

17

0.1012

18

0.1005

19

0.1006

20

0.1010

21

0.1037

22

0.1011

23

0.1013

24

0.0989

25

0.1024

26

0.1026

27

0.1004

28

0.1007

29

0.1021

30

0.1013

31

0.0998

32

0.0991

33

0.1016

34

0.1012

35

0.0992

36

0.1004

37

0.1021

38

0.1023

39

0.1002

40

0.1021

41

0.0982

42

0.1007

43

0.1002

44

0.1011

45

0.1008

46

0.1014

47

0.0997

View the Solution

48

0.1020

49

0.1025

50

0.0997

View the Solution

Sample

Mean

Range

1

0.0982

0.0989

0.1010

0.0993

0.1005

0.0996

0.0028

2

0.0997

0.1028

0.0991

0.0980

0.1001

0.0999

0.0048

3

0.0998

0.1001

0.1025

0.0991

0.0991

0.1001

0.0034

4

0.0998

0.0991

0.1016

0.1012

0.0992

0.1002

0.0025

5

0.0982

0.1007

0.1002

0.1000

0.1008

0.1000

0.0026

6

0.1028

0.0989

0.1008

0.0997

0.1016

0.1007

0.0039

7

0.1011

0.1011

0.0999

0.1009

0.1008

0.1008

0.0011

8

0.1011

0.1006

0.1013

0.1011

0.1007

0.1009

0.0007

9

0.1026

0.1008

0.1011

0.1004

0.0999

0.1010

0.0027

10

0.1014

0.0997

0.1020

0.1025

0.0997

0.1011

0.0029

11

0.0996

0.0996

0.1026

0.1010

0.1020

0.1010

0.0031

12

0.0996

0.1021

0.1021

0.0996

0.1023

0.1011

0.0028

13

0.1027

0.1012

0.1005

0.1006

0.1010

0.1012

0.0022

14

0.1012

0.1012

0.1008

0.1015

0.1002

0.1010

0.0013

15

0.1014

0.1016

0.1015

0.1000

0.1010

0.1011

0.0016

16

0.1011

0.1002

0.0997

0.1030

0.1020

0.1012

0.0033

17

0.1026

0.1004

0.1007

0.1021

0.1013

0.1014

0.0022

18

0.1004

0.1021

0.1017

0.1002

0.1021

0.1013

0.0019

19

0.1037

0.1011

0.1013

0.0989

0.1024

0.1015

0.0048

20

0.1004

0.1009

0.1020

0.1021

0.1026

0.1016

0.0022

Average

0.1008

0.0026

View the Solution

Mean Up

Range Up Mean A/B

Range A/B

Below

Above

Up

Up

Below

Above

Up

Down

Below

Above

Up

Down

Below

Below

Down

Up

Below

Below

Up

Up

Below

Above

Up

Down

Below

Below

Up

Down

Above

Below

Up

Up

Above

Above

Up

Up

Above

Above

Down

Up

Above

Above

Up

Down

Above

Above

Up

Down

Above

Below

Down

Down

Above

Below

Up

Up

Above

Below

Up

Up

Above

Above

Up

Down

Above

Below

Down

Down

Above

Below

Up

Up

Above

Above

Up

Down

Above

Below

Runs Observed

Runs Expected

Sigma

SDs

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