A major producer of ice cream would like to test the hypothesis that the average American consumes more than 17 ounces of ice cream per month. A random sample of 25 Americans was found to consume an average of 17.2 ounces of ice cream last month. The standard deviation for this sample was 3.9 ounces. The producer would like to set α=0.10. What is the test statistic for this hypothesis test?
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