a) Suppose that the locally minted coins analyzed in the table and graph are representative of the metallurgical content of mints in the Eastern provinces of the Roman Empire during the first 300 years AD. A locally minted coin is selected at random, and its gold content is 0.30% by weight, calculate the predicted lead content. Be sure to use correct notation and units.
b) One of the coins used to calculate the regression equations has a gold content of 0.31%. Calculate the residual for this coin. Be sure to use correct notation and units.
c) The investigators would like to use the regressio

Question

a) Suppose that the locally minted coins analyzed in the table and graph are representative of the metallurgical content of mints in the Eastern provinces of the Roman Empire during the first 300 years AD. A locally minted coin is selected at random, and its gold content is 0.30% by weight, calculate the predicted lead content. Be sure to use correct notation and units.
b) One of the coins used to calculate the regression equations has a gold content of 0.31%. Calculate the residual for this coin. Be sure to use correct notation and units.
c) The investigators would like to use the regressio