A manufacturer has rearranged some parts of the factory workspace in order to try and improve productivity. Previously t

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answerhappygod
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A manufacturer has rearranged some parts of the factory workspace in order to try and improve productivity. Previously t

Post by answerhappygod »

A manufacturer has rearranged some parts of the factory
workspace in order to try and improve productivity. Previously the
average time to manufacture each item was 43 minutes. Following the
change production times were monitored for a sample of 75 items.
The times can be found below:
Conduct a test at the 5% level of significance to determine if
the average production time has fallen. (Check: p-value =
0.0006)
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