Five AC adaptors that are used to charge batteries of a cellular phone are taken from the

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Five AC adaptors that are used to charge batteries of a cellular phone are taken from the production line each 15 min and tested for their direct-current output voltage. The output voltages for 24 sample subgroups are as follows:

Plot the x̄ chart.

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Basic Technical Mathematics

ISBN: 9780137529896

12th Edition

Authors: Allyn J. Washington, Richard Evans

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Question Posted: Apr 10, 2023 02:17 PM

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Five AC adaptors that are used to charge batteries of a cellular phone are taken from the production line each 15 min and tested for their direct-current output voltage. The output voltages for 24...
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Five AC adaptors that are used to charge batteries of a cellular phone are taken from the

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Step by Step Answer:

To plot the x chart we first need to calculate the average output voltage for each subgroup of five adaptors The average output voltage for each subgroup can be calculated as follows Subgroup 1 903 90...View the full answer

Basic Technical Mathematics

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