Question: Seven manufacturing companies agreed to implement a time management program in hopes of improving productivity. The average times, in minutes, it took the companies to

Seven manufacturing companies agreed to implement a time management program in hopes of improving productivity. The average times, in minutes, it took the companies to produce the same quantity and kind of part is listed below. Does this information indicate a significant difference in the mean production time before and after the program? What can be inferred further from the results?

\

table

[[

Company

, 1, 2, 3, 4, 5, 6, 7], [

Before Program,

80, 122, 100, 85, 80, 125, 120], [

After Program,

70, 110, 88, 100, 80, 100, 99]]

Seven manufacturing companies agreed to implement a time management program in

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