1.The Springfield Water Treatment plant is constantly measuring
the quality of their drinking water. The level of pH is one item
that is measured by them, and the water treatment plant has a
target pH of 8.2. In a recent test of 14 samples of water
from the treatment plant, they found the following pH levels in
their water: 8.6, 8.5, 9.1,
8.4, 8.1, 9.3, 8.8,
8.9, 9.3, 8.0, 8.7,
8.6, 8.7, 9.1 . Also assume that the pH
level...