Mathematics, 03.07.2020 23:01, jaybuck5570
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 Day-shift
Sample-size 9 8
Sample-mean 520 540
sample-variance 38 20
Required:
a. State the null and alternative hypotheses to be tested.
b. Compute the test statistic.
c. Determine the p-value.
d. At 95% confidence, what do you conclude?
Answers: 1
Mathematics, 21.06.2019 16:00, thicklooney
Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint. how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.
Answers: 1
It has been suggested that night shift-workers show more variability in their output levels than day...
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