OPERATIONS MANAGEMENT
OPERATIONS MANAGEMENT
14th Edition
ISBN: 9781260961393
Author: Stevenson
Publisher: MCG
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Chapter 10, Problem 2P

(a)

Summary Introduction

To determine: The upper and lower control limits that include roughly 97% of the sample means when an automatic machine filled a one-liter bottle of cola with a mean of 1 liter, a standard deviation of 0.1 liters, and samples of 25 observations are used to monitor the output.

Introduction: To monitor the process dispersion, range control charts are used and the mean control limit charts are based on a normal distribution.

(b)

Summary Introduction

To determine: Whether the process is in control at the sample means: 1.005, 1.001, .998, 1.002, .995, .999 when an automatic machine filled a one-liter bottle of cola with a mean of 1 liter, a standard deviation of 0.1 liters and samples of 25 observations are used to monitor the output.

Introduction: To monitor the process dispersion, range control charts are used and the mean control limit charts are based on a normal distribution.

(c)

Summary Introduction

To determine: Whether the process is in control at sample means of 1.003, .999, .997, 1.002, .998, and 1.004. when an automatic machine filled a one-liter bottle of cola with a mean of 1 liter, a standard deviation of 0.1 liters and samples of 25 observations are used to monitor the output.

Introduction: To monitor the process dispersion, range control charts are used and the mean control limit charts are based on a normal distribution.

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