In the 18th century, a scientist obtained 27 measurements of the density of Earth, using a torsion balance. The accompanying data represent his estimates, given as a multiple of the density of water. Is it reasonable to conclude that the sample data come from a population that is normally distributed? Click here to view the measurements of Earth's density. Click here to view the table of critical values. Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table