Question: The Brazil vending machine dispenses coffee, and a random sample of 23 filled cups have contents with a mean of 8.14 oz and a variance

The Brazil vending machine dispenses coffee, and a random sample of

23 filled cups have contents with a mean of 8.14 oz and a

variance of 0.0289 oz. Use a 0.05 significance level to test the

claim that the machine dispenses amounts with

a standard deviation greater than the standard deviation of 0.15 oz

specified in the machine design.

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