Question
In: Math
Isabella gathered data on the average percentage of tips received by waitstaff in 31 restaurants in...
Isabella gathered data on the average percentage of tips received by waitstaff in 31 restaurants in New York City. She works through the testing procedure:
- H0:μ=14%; Ha:μ≠14%
- α=0.1 (significance level)
- The test statistic is t0=x¯−μ0sn√=1.489.
- The critical values are ±t0.05=±1.697.
Conclude whether to reject or not reject H0. Select two responses below.
Select all that apply:
-
Reject H0.
-
Fail to reject H0.
-
The test statistic falls within the rejection region.
-
The test statistic is not in the rejection region.
Solutions
Expert Solution
The test statistic is not in the rejection region.
Fail to reject H0.
milcah answered 1 month agoRelated Solutions
The manager of a restaurant in a large city claims that waiters working in all restaurants in his city earn an average of more than $150 in tips per week
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FLOUNDER
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101.5
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PERCH
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ALBACORE
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89.4
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47.5
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Year 2000 Price
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Year 2010 Price
(y)
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FLOUNDER
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HADDOCK
25.8
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Year 2000 Price
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Year 2010 Price
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COD
13.1
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FLOUNDER
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28.4
HADDOCK
25.8
71.5
MENHADEN
1.8
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PERCH
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CHINOOK
55.4
152.8
COHO
39.3
108.6
ALBACORE
26.7
87.3
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