Question: 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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