Question
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- From Mathematics: General-Mathematics
- Due on Jul. 23, 2112
- Asked on Jul. 20, 2012 at 07:29:34AM
Q:
A survey of hotels found that the average hotel room rate in New Orleans is $88.42 and the average room rate in Phoenix is $80.61. The survey sampled 50 hotels in each city. The standard deviations were $5.62 and $4.83, respectively. At alpha=.05, it can be concluded that there is a significant different in the rates?
| 7.45 | |
| -1.96 | |
| 1.96 | |
| -7.45 |
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a super excellent answer with good explanation
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- Posted on Jul. 20, 2012 at 07:35:13AM
A:
Preview: ... 3^2/50)=7.45.
Therefore, the test value is 7.45.
At ...
The full tutorial is about 31 words long .
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- Posted on Jul. 20, 2012 at 07:45:01AM
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arenasshuai
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Rating (1417):A+
Questions Asked: 1
Tutorials Posted: 3725,
Blog Posts: 1,
Earned: $13,028.40
A:
Preview: ... significant different in the rates?
7.45 -1.96 1.96 -7.45
Solution: Sw = sqrt[(49*5.62^2 + 49*4.83^ ...
The full tutorial is about 88 words long .