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An article claims that the average price of a new home in Illinois is $328,000. You feel in your town it is more and you

An article claims that the average price of a new home in Illinois is $328,000. You feel in your town it is more and you run a hypothesis test. You sample 30 homes for sale in your town and find the average to be $328,575 with a standard deviation of $1342. What is the test statistic?

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