Running Head: Assignment 08
Nicole Davis
AC1703436
MA260 Statistical Analysis I
Assignment 08
08/31/2017
Assignment 08
Nicole Davis
Ashworth College
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Assignment 08
Directions:
Be sure to save an electronic copy of your answer before submitting it to
Ashworth College for grading. Unless otherwise stated, answer in complete sentences,
and be sure to use correct English, spelling, and grammar. Refer to the "Assignment
Format" page located on the Course Home page for specific format requirements.
NOTE:
Show your work in the problems.
1.
A recent article in the Myrtle Beach
Sun Times
reported that the mean labor cost
to repair a color television is $90 with a standard deviation of $22. Monte’s TV
Sales and Service completed repairs on two sets this morning. The labor cost for
the first was $75 and it was $100 for the second. Compute
z
values for each and
comment on your findings.
Work:
For x = 75z = (75-90)/22 = -15/222)
For x = 100z = (100-90)/22 = 10/22 = 5/11
Answer:
z-values are -15/22 and 5/11, the first sore is negative because 75<90 and the
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