Construct appropriate control chart and comment on process

Assignment Help Basic Statistics

Reference no: EM131384782

Refer to Exercise 1. Set up 2σ control limits. What is the probability of detecting a change in the process average number of dietary errors per 100 trays to 8 on the first sample drawn after the change? Explain under what conditions you would prefer to have these 2σ control limits over the traditional 3σ limits.

Exercise 1
Refer to Exercise 2. Construct an OC curve for the c-chart. If the process average number of dietary errors per 100 trays increases to 10, what is the probability of detecting this on the first sample drawn after the change?

Exercise 2
The number of dietary errors is found from a random sample of 100 trays chosen on a daily basis in a health care facility. The data for 25 such samples are shown in Table.

(a) Construct an appropriate control chart and comment on the process.

(b) How many dietary errors do you predict if no changes are made in the process?

(c) Is the system capable of reducing dietary errors to 2, on average, per 100 trays, if no changes are made in the process?

Sample Number	Number of Dietary Errors	Sample Number	Number of Dietary Errors
1	9	14	8
2	6	15	8
3	4	16	7
4	7	17	6
5	5	18	4
6	6	19	12
7	16	20	7
8	8	21	6
9	7	22	8
10	9	23	6
11	3	24	8
12	6	25	5
13	10

Reference no: EM131384782

Questions Cloud

Construct appropriate control chart and comment on process : Construct an appropriate control chart and comment on the process.- How many dietary errors do you predict if no changes are made in the process?

What skills do you need to develop to achieve your objective : What skills do you need to develop to achieve your 5-year objectives? Is your industry changing? What do you need to do to grow with it? What resources do you have to help you achieve your 5-year objectives?

Create a strategic plan to achieve your objectives : In the previous assessments, you have developed your mission statement, conducted a personal SWOT analysis and laid out your long-term and short-term objectives. Create a strategic plan to achieve your objectives.

Write a response about the given post : CSCL 3461:As we work through the first two units of the course, we will be looking specifically at monsters (Frankenstein) using novels and plays that are considered foundational to conceptualizing those phenomena, and supplementing them with brie..

Which of the two methods you believe is the most appropriate : Explain which of the two methods you believe is the most appropriate. Explain specifically how you could use this method to study your research question.

Discuss most important opportunities faced by organization : Discuss the most important opportunities faced by your organization. Do environmental threats outweigh opportunities, or do opportunities outweigh the target organization's threats? Explain.

What would the control limits be for a type i error rate : What would the control limits be for a type I error rate of 0.05? What factors would influence your selection of the type I error rate?

User Account

All Pages