A random sample of nine local banks shows their deposits (in billions of dollars) 3 years ago and their deposits today: Using α = 0.06, can it be concluded that the average in deposits for the banks is greater today than it was 3 years ago?
Bank 3 years ago: 11.42, 8.41, 3.98, 7.37, 2.28, 4.0, 1.00, 0.90, 1.45
Today: 16.69, 9.44, 6.53, 5.58, 2.92, 1.88, 1.78, 1.50, 1.22