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The recommended daily dietary allowance for a mineral among men older than 50 is 15mg/day. Based...

The recommended daily dietary allowance for a mineral among men older than 50 is 15mg/day. Based on data of 100 men ages 60-70, it is known that X hat = 10 and s = 6. Does this data suggest that the average daily intake of the mineral in the population for men ages 60-70 falls below the recommended allowance? Perform a level 0.01 test.

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