, Inc. manufactures Zip drives on two different manufacturing processes. Because the management of this company is interested in determining if process 1 takes more manufacturing time, they selected independent samples from each process. The results of the samples are shown below.   Process 1 Process 2 Sample Size 28 24 Sample Mean (in minutes) 15 12 Sample Variance 16 25   What are the degrees of freedom for the test?

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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Zip, Inc. manufactures Zip drives on two different manufacturing processes. Because the management of this company is interested in determining if process 1 takes more manufacturing time, they selected independent samples from each process. The results of the samples are shown below.

 

Process 1

Process 2

Sample Size

28

24

Sample Mean (in minutes)

15

12

Sample Variance

16

25

 

What are the degrees of freedom for the test?

 

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