As there was a concern pertaining to appearance and accuracy of itineraries, in a travel agency, wherein the defects includes errors in reservation numbers, flight numbers, charge card numbers, airlines, timings, accommodation facilities, information regarding car rentals, prices and even typographical errors, it measures the count of errors that occurs, and the process gave findings that for every itinerary, there was an average error of three numbers. The two-sigma control limits for these defects needs to be determined. Concept Introduction: The graph showing a sample is within the statistical control limits or not is called a Control Chart.

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Chapter 3, Problem 20P

(a)

Summary Introduction

Interpretation: As there was a concern pertaining to appearance and accuracy of itineraries, in a travel agency, wherein the defects includes errors in reservation numbers, flight numbers, charge card numbers, airlines, timings, accommodation facilities, information regarding car rentals, prices and even typographical errors, it measures the count of errors that occurs, and the process gave findings that for every itinerary, there was an average error of three numbers. The two-sigma control limits for these defects needs to be determined.

Concept Introduction: The graph showing a sample is within the statistical control limits or not is called a Control Chart.

(b)

Summary Introduction

Interpretation: As there was a concern pertaining to appearance and accuracy of itineraries, in a travel agency, wherein the defects includes errors in reservation numbers, flight numbers, charge card numbers, airlines, timings, accommodation facilities, information regarding car rentals, prices and even typographical errors, it measures the count of errors that occurs, and the process gave findings that for every itinerary, there was an average error of three numbers. The information regarding a client who is scheduled for a trip to Dallas, wherein her itinerary contained six errors needs to be interpreted.

Concept Introduction: The graph showing a sample is within the statistical control limits or not is called a Control Chart.

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