In a manufacturing company, a new production process is being considered to replace the old process presently used. This new process was tested for 10 consecutive hours with the following results: 128, 120, 118, 122, 124, 126, 110, 125, 118. If the average outputs per hour using the old process is 120 units, is the management's claim justified in stating the output per hour can be increased with the new process? Use a = 0.01. a. Null and alternative hypothesis b. Level of significance c. Test statistics to be used and decide whether a one-tailed test or two-tailed test d. Critical value and the rejection region/s e. Compute for the value of test statistic. f. State the decision g. State the conclusion.
In a manufacturing company, a new production process is being considered to replace the old process presently used. This new process was tested for 10 consecutive hours with the following results: 128, 120, 118, 122, 124, 126, 110, 125, 118. If the average outputs per hour using the old process is 120 units, is the management's claim justified in stating the output per hour can be increased with the new process? Use a = 0.01. a. Null and alternative hypothesis b. Level of significance c. Test statistics to be used and decide whether a one-tailed test or two-tailed test d. Critical value and the rejection region/s e. Compute for the value of test statistic. f. State the decision g. State the conclusion.
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter4: Polynomial And Rational Functions
Section4.6: Rational Functions
Problem 11SC: Find the mean hourly cost when the cell phone described above is used for 240 minutes.
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Transcribed Image Text:In a manufacturing company, a new production process is being considered to replace the old
process presently used. This new process was tested for 10 consecutive hours with the following
results: 128, 120, 118, 122, 124, 126, 110, 125, 118. If the average outputs per hour using the old
process is 120 units, is the management's claim justified in stating the output per hour can be
increased with the new process? Use a = 0.01.
a. Null and alternative hypothesis
b. Level of significance
c. Test statistics to be used and decide whether a one-tailed test or two-tailed test
d. Critical value and the rejection region/s
e. Compute for the value of test statistic.
f. State the decision
g. State the conclusion.
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