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What is known? What information AND data does the problem provide? Provide a bullet-pointed list with complete descriptions of what you know about the problem; include written elements as well as numeric information. b)What is unknown? What are you being asked to address? What is the problem that needs an answer? You will not be describing a statistical outcome. c)What are the data you are provided and what are their relevance in this statistical problem? (i.e. sample, mean, population or other parameters. The two below at minimum must be precisely described.) What is the sample? What is the population?

What is known? What information AND data does the problem provide? Provide a bullet-pointed list with complete descriptions of what you know about the problem; include written elements as well as numeric information. b)What is unknown? What are you being asked to address? What is the problem that needs an answer? You will not be describing a statistical outcome. c)What are the data you are provided and what are their relevance in this statistical problem? (i.e. sample, mean, population or other parameters. The two below at minimum must be precisely described.) What is the sample? What is the population?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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a)What is known? What information AND data does the problem provide?
Provide a bullet-pointed list with complete descriptions of what you know about the problem; include written
elements as well as numeric information.
b)What is unknown? What are you being asked to address? What is the problem that needs an
answer? You will not be describing a statistical outcome.
c)What are the data you are provided and what are their relevance in this statistical
problem? (i.e. sample, mean, population or other parameters. The two below at minimum must be precisely
described.)
What is the sample?
What is the population?

Bolum Manufacturing runs three shifts in their production plant. Industrial Engineers at the plant have documented more errors on their third shift than on the other two shifts. They believe the problem is caused by sleep deprivation and want to identify possible solutions. To evaluate their belief that sleep deprivation is the issue, they have brought in sleep researchers to test the impact of REM sleep deprivation on the computerized assembly line tasks these workers complete. Selected third shift employees will participate in two nights of testing their sleep patterns prior to coming to work. On each night of testing employees involved are allowed a total of 4 hours of sleep. Testing conditions are counterbalanced so that half of the employees experience REM deprivation on the first night of testing and half experience REM deprivation on the second night of testing. Each employee after the sleep session is required to complete a computerized assembly line task. The task involves five rows of widgets slowly passing across the computer screen. Randomly placed on a one'five ratio are widgets missing a component that must be "fixed" by the employee. The number of missed widgets is recorded. Is the REM sleep deprivation making a significant difference? Errors by REM Condition (per night tested) REM Deprived Worker REM Control 1 26 20 2 15 4 3 4 44 36 26 20 13 3 7 38 25 24 10 9 17 6 10 29 14
Transcribed Image Text:Bolum Manufacturing runs three shifts in their production plant. Industrial Engineers at the plant have documented more errors on their third shift than on the other two shifts. They believe the problem is caused by sleep deprivation and want to identify possible solutions. To evaluate their belief that sleep deprivation is the issue, they have brought in sleep researchers to test the impact of REM sleep deprivation on the computerized assembly line tasks these workers complete. Selected third shift employees will participate in two nights of testing their sleep patterns prior to coming to work. On each night of testing employees involved are allowed a total of 4 hours of sleep. Testing conditions are counterbalanced so that half of the employees experience REM deprivation on the first night of testing and half experience REM deprivation on the second night of testing. Each employee after the sleep session is required to complete a computerized assembly line task. The task involves five rows of widgets slowly passing across the computer screen. Randomly placed on a one'five ratio are widgets missing a component that must be "fixed" by the employee. The number of missed widgets is recorded. Is the REM sleep deprivation making a significant difference? Errors by REM Condition (per night tested) REM Deprived Worker REM Control 1 26 20 2 15 4 3 4 44 36 26 20 13 3 7 38 25 24 10 9 17 6 10 29 14
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