The sample size for gift-wrapping Introduction: The sample size refers to the number of observations that are necessary to determine the cycle time. The major goal of sample size is to determine inferences about the population from the observations.

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Chapter 10, Problem 26P

Summary Introduction

To determine: The sample size for gift-wrapping

Introduction: The sample size refers to the number of observations that are necessary to determine the cycle time. The major goal of sample size is to determine inferences about the population from the observations.

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A time study analyst wants to estimate the time required to perform a certain job. A preliminary study yielded a mean of 6.4 minutes and a standard deviation of 2.1 minutes. The desired confidence is 95 percent. How many observations will he need (including those already taken) if the desired maximum error is:a. ± 10 percent of the sample mean?b. One-half minute?

K Claudine Soosay recorded the following times assembling a watch: Observation No. 1234567co 8 Time (minutes) 0.12 0.10 0.11 0.11 0.15 0.10 0.10 0.10 Observation No. 9 10 11 12 13 14 15 16 Time (minutes) 0.11 0.08 0.11 0.10 0.10 0.11 0.14 0.08

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Answer 2

Question

Chapter 10, Problem 26P

Summary Introduction

To determine: The sample size for gift-wrapping

Introduction: The sample size refers to the number of observations that are necessary to determine the cycle time. The major goal of sample size is to determine inferences about the population from the observations.

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Answer 3

Question

Chapter 10, Problem 26P

Summary Introduction

To determine: The sample size for gift-wrapping

Introduction: The sample size refers to the number of observations that are necessary to determine the cycle time. The major goal of sample size is to determine inferences about the population from the observations.

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Answer 4

Question

Chapter 10, Problem 26P

Summary Introduction

To determine: The sample size for gift-wrapping

Introduction: The sample size refers to the number of observations that are necessary to determine the cycle time. The major goal of sample size is to determine inferences about the population from the observations.

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Answer 5

Chapter 10, Problem 26P

Summary Introduction

To determine: The sample size for gift-wrapping

Introduction: The sample size refers to the number of observations that are necessary to determine the cycle time. The major goal of sample size is to determine inferences about the population from the observations.

Answer 6

Chapter 10, Problem 26P

Summary Introduction

To determine: The sample size for gift-wrapping

Introduction: The sample size refers to the number of observations that are necessary to determine the cycle time. The major goal of sample size is to determine inferences about the population from the observations.

Answer 7

Chapter 10, Problem 26P

Summary Introduction

To determine: The sample size for gift-wrapping

Introduction: The sample size refers to the number of observations that are necessary to determine the cycle time. The major goal of sample size is to determine inferences about the population from the observations.

Answer 8

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Answer 11

Ch. 10 - Prob. 1ED Ch. 10 - Prob. 1DQ Ch. 10 - Prob. 2DQ Ch. 10 - Prob. 3DQ Ch. 10 - Prob. 4DQ Ch. 10 - Prob. 5DQ Ch. 10 - Prob. 6DQ Ch. 10 - Prob. 7DQ Ch. 10 - Prob. 8DQ Ch. 10 - Prob. 9DQ

The sample size for gift-wrapping Introduction: The sample size refers to the number of observations that are necessary to determine the cycle time. The major goal of sample size is to determine inferences about the population from the observations.

Solution Summary: The author explains the sample size for gift-wrapping. It is the number of observations necessary to determine the cycle time. The confidence level is 95% and the accuracy is 5%.

Concept explainers

To determine: The sample size for gift-wrapping

Introduction: The sample size refers to the number of observations that are necessary to determine the cycle time. The major goal of sample size is to determine inferences about the population from the observations.

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Chapter 10 Solutions

The sample size for gift-wrapping Introduction: The sample size refers to the number of observations that are necessary to determine the cycle time. The major goal of sample size is to determine inferences about the population from the observations.

Solution Summary: The author explains the sample size for gift-wrapping. It is the number of observations necessary to determine the cycle time. The confidence level is 95% and the accuracy is 5%.

Concept explainers

To determine: The sample size for gift-wrapping Introduction: The sample size refers to the number of observations that are necessary to determine the cycle time. The major goal of sample size is to determine inferences about the population from the observations.

Want to see the full answer?

Chapter 10 Solutions

To determine: The sample size for gift-wrapping

Introduction: The sample size refers to the number of observations that are necessary to determine the cycle time. The major goal of sample size is to determine inferences about the population from the observations.