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H0:=400 Ha:>400 Data were collected from a large sample. A sample mean of 449 was observed. Randomization methods were used to construct a sampling distribution
H0:=400
Ha:>400
Data were collected from a large sample. A sample mean of 449 was observed. Randomization methods were used to construct a sampling distribution which was approximately normal with a standard error of 20
Compute the test statistic using the formula from Lesson 7:
teststatistic=samplestatisticnullparameterstandarderror
Round your final answer to three decimal places.
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