The accompanying table shows the average price for a gallon of gas for the 50 states during April 2012. State Price per Gallon
Alaska 4.36
Alabama 3.79
Arkansas 3.76
Arizona 3.87
California 4.22
Colorado 3.89
Connecticut 4.17
Delaware 3.89
Florida 3.94
Georgia 3.83
Hawaii 4.61
Iowa 3.75
Idaho 3.77
Illinois 4.06
Indiana 3.95
Kansas 3.71
Kentucky 3.92
Louisiana 3.80
Massachusetts 3.91
Maryland 3.96
Maine 4.00
Michigan 3.93
Minnesota 3.72
Missouri 3.67
Mississippi 3.78
Montana 3.77
North Carolina 3.89
North Dakota 3.84
Nebraska 3.84
New Hampshire 3.87
New Jersey 3.80
New Mexico 3.79
Nevada 3.96
New York 4.15
Ohio 3.79
Oklahoma 3.68
Oregon 4.08
Pennsylvania 3.97
Rhode Island 3.98
South Carolina 3.72
South Dakota 3.82
Tennessee 3.77
Texas 3.81
Utah 3.71
Virginia 3.89
Vermont 3.99
Washington 4.13
Wisconsin 3.84
West Virginia 3.94
Wyoming 3.63

Required:
Use z-scores to determine if there are any outliers in the gasoline price.