a) State the null and alternative hypotheses.b) What is the value of the test statistic?c) What is the p-value?d) What is your conclusion in the context of this problem. Use alpha = 0.05.e) What assumptions are necessary for this test? 6. The production manager at Bellevue Steel, a manufacturer of wheelchairs, wants tocompare the average number of defective wheelchairs produced on the day shift with theaverage number on the afternoon shift. A sample of the production from six day shiftsand eight afternoon shifts revealed the following number of defects. Assume the two pop-ulations (shifts) have equal variances.Day 5 8Afternoon 8 107 6 9 77 11 9 12 14 9

Answered: ) State the null and alternative…

) State the null and alternative hypotheses. b) What is the value of the test statistic? c) What is the p-value? d) What is your conclusion in the context of this problem. Use alpha = 0.05.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

a) State the null and alternative hypotheses.
b) What is the value of the test statistic?
c) What is the p-value?
d) What is your conclusion in the context of this problem. Use alpha = 0.05.
e) What assumptions are necessary for this test?

6. The production manager at Bellevue Steel, a manufacturer of wheelchairs, wants to
compare the average number of defective wheelchairs produced on the day shift with the
average number on the afternoon shift. A sample of the production from six day shifts
and eight afternoon shifts revealed the following number of defects. Assume the two pop-
ulations (shifts) have equal variances.
Day 5 8
Afternoon 8 10
7 6 9 7
7 11 9 12 14 9

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Step 1: State the hypotheses.

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Step 2: Obtain the value of the test statistic.

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Step 3: Use Excel to obtain the probability value.

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Step 4: Conclusion:

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