Question: An engineer has created a renewable building material. He believes that the mean strength is different from material used today, which has a mean strength

An engineer has created a renewable building material. He believes that the mean strength is different from material used today, which has a mean strength of 207.3 psi.. He takes a random sample of 46 and gets a sample mean strength of 205.6 psi with a sample standard deviation of 5.4 psi. What is the value of the test statistic for this hypothesis test?

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