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The sales representative for a manufacturer of a new product claims that the product will increase output per machine to more than 29 units per

The sales representative for a manufacturer of a new product claims that the product will increase output per machine to more than 29 units per hour. A line manager installs the product on 15 of the machines and finds that the average increase was 32 with a standard deviation of 6.2. What is the value of the test statistic to test the claim?

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