A researcher claims that serum copper concentrations increas

A researcher claims that serum copper concentrations increase in infants from the age of 7 days to the age of 60 days. The table shows the serum copper concentrations (in micrograms per deciliter) for 12 randomly selected infants at the age of 7 days and at the age of 60 days. At ? = 0.05, is there enough evidence to support the researcher