Is it reasonable to conclude the mean rate charged is greater than 14 percent? Use the .01 significance level.

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 (percent)

4.8 5.3 6.5 4.8 6.1 5.8 6.2 5.6

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 (percent)

4.8 5.3 6.5 4.8 6.1 5.8 6.2 5.6