Statistics
Suppose a firm evaluates the productivity of the three
shifts of workers who work in their factory. Each shift’s performance is
measured on the amount of output that is produced during the shift – day,
evening, or swing shift. Based on these ratings presented in the table below,
produce an ANOVA analysis in Excel (see the example of a 1-way ANOVA in Course
Materials), and determine if the average amount of output for any shift is
different than the others.
Please show all calculations (especially the calculations of
the variances for each shift (how the resultant variance number is derived),
and also show the calculations how the P-value is determined – whether by
formula or by charts.
Day Evening Swing
6 5 5
8 8 6
9 7 5
8 7 7
8 6 5
9 7 6
7 7 5
8 8 5
7 6 6
7 5 5
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