A recent article in The Wall Street Journal reported that the 30-year mortgage rate is now less than 6 percent ...

      A recent article in The Wall Street Journal reported   that the 30-year mortgage rate is now less than 6 percent. A sample of eight   small banks in the Midwest revealed the following   30-year   rates (in percent):       4.8     5.3     6.5     4.8     6.1     5.8     6.2     5.6       At   the .01 significance level, can we conclude that the 30-year mortgage rate   for small banks is less than 6 percent?       Estimate   the p-value.