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It is claimed that an industrial safety program is effective in reducing the loss of working hours due to factory accidents. The data below show the weekly loss of working hours due to accidents in six plants both before and after the safety program is initiated. Does the data substantiate the claim that the safety program has reduced the loss of working hours? Use RStudio to perform a repeated-sample t-test with α = .05. Print your computed t-statistic, your crit- ical t-value, and explain your conclusion. PlantNum Before After 1 12 10 2 29 28 3 16 17 4 37 35 5 28 25 6 15 16

It is claimed that an industrial safety program is effective in reducing the loss of working hours due to factory accidents. The data below show the weekly loss of working hours due to accidents in six plants both before and after the safety program is initiated. Does the data substantiate the claim that the safety program has reduced the loss of working hours? Use RStudio to perform a repeated-sample t-test with α = .05. Print your computed t-statistic, your crit- ical t-value, and explain your conclusion. PlantNum Before After 1 12 10 2 29 28 3 16 17 4 37 35 5 28 25 6 15 16

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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It is claimed that an industrial safety program is effective in reducing the loss
of working hours due to factory accidents. The data below show the weekly
loss of working hours due to accidents in six plants both before and after the
safety program is initiated. Does the data substantiate the claim that the safety
program has reduced the loss of working hours? Use RStudio to perform a
repeated-sample t-test with α = .05. Print your computed t-statistic, your crit-
ical t-value, and explain your conclusion.
PlantNum Before After
1 12 10
2 29 28
3 16 17
4 37 35
5 28 25
6 15 16

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