Q10.1 (Quality) Consider the following potential quality problems: • Wine that i

Question

Q10.1 (Quality) Consider the following potential quality problems:

• Wine that is served in a restaurant sometimes is served too warm, while at other times it is served too cold.

• A surgeon in a hospital follows the hygiene procedures in place on most days, but not all days.

• A passenger traveling with an airline might be seated at a seat with a defective audio system.

• An underwriter in a bank might sometimes accidentally approve loans to consumers that are not creditworthy.

For each of these potential problems:

a. What type of data would you collect?

b. What type of control charts would you use?

Explanation / Answer

Ans:

Q No Potential Problems Type of Data to be Collected Type of Control Chart to be Used 1 Wine that is served in a restaurant sometimes is served too warm, while at other times it is served too cold. No of customer cancelling orders on wine not being served at appropriate temperature R (Range) Control Chart 2 A surgeon in a hospital follows the hygiene procedures in place on most days, but not all days. Instances when patients had side infection after operation attribute control charts 3 A passenger traveling with an airline might be seated at a seat with a defective audio system. Customer complaints and request for change in seat. attribute control charts 4 An underwriter in a bank might sometimes accidentally approve loans to consumers that are not creditworthy. Instances customers taking loans turning bad. (X Bar) Control Chart

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