The following are outpatient charges $100 made to patients for a certain surgical procedure by

The following are outpatient charges ð Þ $100 made to patients for a certain surgical procedure by samples of hospitals located in three different areas of the country:

Area I II III

$80.75 $58.63 $84.21 78.15 72.70 101.76 85.40 64.20 107.74 71.94 62.50 115.30 82.05 63.24 126.15 Can we conclude at the .05 level of significance that the three areas differ with respect to the charges?