Mathematics
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?

answer
Answers: 1

Other questions on the subject: Mathematics

image
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
image
Mathematics, 21.06.2019 18:00, jadaos
Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2
Answers: 2
image
Mathematics, 21.06.2019 18:10, kidzay
If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.
Answers: 1
image
Mathematics, 21.06.2019 23:30, laylay1734
Solve the inequaliy: (x^2+2)(x−2)^2(6−2x)> 0
Answers: 1
Do you know the correct answer?
It has been suggested that night shift-workers show more variability in their output levels than day...

Questions in other subjects: