Mathematics, 23.06.2020 23:01 bovalle
It has been suggested that night shift-workers show more variability in their output levels than day workers (σ2N > σ2D). Below, you are given the results of two independent random samples Night Shift (N) Day Shift (D) Sample Size 9 8 Sample Mean 520 540 Sample Variance 38 20 A. State the alternative hypotheses (HA) to be tested. B. Compute the test statistic
C. Determine the p-value.
D. At 95% confidence, what do you conclude?
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It has been suggested that night shift-workers show more variability in their output levels than day...
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