Respondents without high school degrees, on the other hand, approved of such testing by 64 percent to 34 percent.
In a related action, the board of governors approved a 25-basis-point increase in the discount rate, to 4.75 percent.
Voters approved the change by 51 percent to 49 percent.
California voters approved the measure by 59 percent to 41 percent.
Those supporting such efforts included a plurality of whites, who approved by 49 to 47 percent.
Voters approved the issue 63 percent to 37 percent.
The measure was approved 56 percent to 43 percent.
The referendum was approved by a margin of 65.8 percent to 33.2 percent.
The union announced that in a vote by 19,000 employees at 14 plants, the contract was approved 70 percent to 30 percent.
The measure was approved by the voters, 52.7 percent to 47.3 percent.