Introduction to Business Statistics
7th Edition
ISBN: 9781111792374
Author: WEIERS
Publisher: Cengage Learning
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Chapter 12.5, Problem 12.79E
To determine
To draw the conclusion about the given experiments using the provided output
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GMU uses a robot food delivery service which now has been utilized in the City of Fairfax. One of the potential benefits of this service is to help the busiest students eat breakfast. Research has shown that about 80% of college students skip breakfast due to busy schedules and other reasons. Initial data were collected from a random sample of 595 Mason students who utilize the robot food delivery service and are presented in StatCrunch.
A manufacturing company designed a factorial experiment to determine whether the number of defective parts produced by two machines differed and if the number of defective parts produced also depended on whether the raw material needed by each machine was loaded manually or by an automatic feed system.
following data give the numbers of defective parts produced.
Loading System
Manual
Automatic
30
30
Machine 1
34
26
20
24
Machine 2
22
28
Use a = 0.05 to test for any significant effect due to machine, loading system, and interaction.
Find the value of the test statistic for machine. (Round your answer to two decimal places.)
Find the p-value for machine. (Round your answer to three decimal places.)
p-value =
State your conclusion about machine.
O Because the p-value > a = 0.05, machine is not significant.
O Because the p-value > a = 0.05, machine is significant.
O Because the p-value sa = 0.05, machine is significant.
O Because the p-value sa = 0.05, machine is not significant.
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Introduction to Business Statistics
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