You are employed to check quality control at a company that bottles drinks.  Cans of drink should contain 8.0 oz of drink.  You remove a small random sample of cans and measure the actual amount of drink in them and find there is an average of 7.91 oz with a standard deviation of 0.17 oz.  Which statistical test would be best to determine if the amount of drink in cans are signficantly less than the target 8.0 oz?

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