It has been suggested that night shift-workers show more variability in their output
levels th...
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Mathematics, 15.11.2019 23:31 fzzyy
It has been suggested that night shift-workers show more variability in their output
levels than day workers. below, you are given the results of two independent random
samples.
night shift day shift
sample size 9 8
sample mean 520 540
sample variance 38 20
test whether the above statement is true. use a =.05.
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Answers: 2
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