Question: please help me with my lab. please answer the a-c! thank you so much in advance!! (9838011 2. Weigh six post 1982(2Cu,?%Zn) pennies on the

please help me with my lab. please answer the a-c! thank you so much in advance!!

(9838011 2. Weigh six post 1982(2Cu,?%Zn) pennies on the analytical balance. These pennies should not look. very new. Record the year, mass, and absolute deviations from the mean for each penny in the table below: Determine the percent relative average deviation for these six pennies: The accepted mass of these pennies is 2.500g. Determine the percent error using the average mass of the pennies

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