The average life expectancy for residents of Hawaii is 81.48 years (travelandleisure.com, July 16, 2018). A sociologist
Question:
The average life expectancy for residents of Hawaii is 81.48 years (travelandleisure.com, July 16, 2018). A sociologist collects data on the age at death for 50 recently deceased Michigan residents.
a. The sociologist believes that the average life expectancy for Michigan residents is less than the average life expectancy for Hawaiian residents. Specify the competing hypotheses to test this belief.
b. Calculate the value of the test statistic and the p-value.
c. At the 1% significance level, do the data support the sociologist’s belief?
Age |
76.4 |
76.0 |
76.7 |
75.9 |
79.5 |
83.3 |
77.1 |
82.1 |
66.3 |
73.5 |
79.9 |
78.2 |
82.2 |
81.1 |
81.7 |
71.6 |
77.0 |
71.9 |
84.2 |
68.2 |
80.8 |
77.2 |
73.6 |
78.7 |
82.8 |
82.1 |
75.0 |
87.0 |
75.6 |
73.3 |
82.8 |
79.3 |
75.3 |
87.0 |
85.0 |
73.9 |
77.2 |
74.0 |
80.3 |
82.3 |
79.5 |
81.2 |
81.9 |
80.0 |
84.9 |
76.2 |
74.9 |
80.4 |
82.8 |
73.6 |
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Related Book For
Business Statistics Communicating With Numbers
ISBN: 9781260716306
4th Edition
Authors: Sanjiv Jaggia, Alison Kelly
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