MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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The mean area of the several thousand
apartments in a new development by a certain
builder is advertised to be 1100 square feet. A
tenant group thinks this is inaccurate and suspects
that the actual average area is less than 1100 square
feet. To investigate this suspicion, the group hires an
engineer to measure a sample of apartments.
The appropriate hypotheses to test the tenants
group claim about u are:
μ
Hou 1100 and Ha: 1100
‡
Hoμ 1100 and Ha: μ< 1100
= 1100 and Ha: μ> 1100
Ho : μ
-
-
The hypotheses cannot be specified without
knowing the size of the sample used by the
engineer.
expand button
Transcribed Image Text:The mean area of the several thousand apartments in a new development by a certain builder is advertised to be 1100 square feet. A tenant group thinks this is inaccurate and suspects that the actual average area is less than 1100 square feet. To investigate this suspicion, the group hires an engineer to measure a sample of apartments. The appropriate hypotheses to test the tenants group claim about u are: μ Hou 1100 and Ha: 1100 ‡ Hoμ 1100 and Ha: μ< 1100 = 1100 and Ha: μ> 1100 Ho : μ - - The hypotheses cannot be specified without knowing the size of the sample used by the engineer.
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