Using Margin of Error

qu.1.1.question=What is π to 5 significant digits?@

qu.1.1.answer.num=3.14159@

qu.1.1.answer.units=@

qu.1.1.showUnits=false@

qu.1.1.mode=Numeric@

*insert margin of error statements here

qu.1.1.name=Margin of error@

qu.1.1.editing=useHTML@

*insert the statements below to affect margin of error

π =3.14159

qu.1.1.grading=toler_abs@

qu.1.1.err=5.0E-5@

Correct answers : 3.14154 - 3.14164

qu.1.1.grading=toler_sigd@

qu.1.1.digit=6@

qu.1.1.err=1.0@

Correct answers: 3.14158-3.14160

qu.1.1.grading=toler_perc@

qu.1.1.perc=0.0010@ (0.001%)

Correct answers: 3.14156-3.14162

qu.1.1.grading=exact_sigd@

qu.1.1.digit=5@

Correct answers:3.1416

You can also use the Question Bank Editor to set the margin of error.

Require Absolute accuracy: The students answer has to match exactly.

# Figures: The number of significant digits the student's answer has to have.

Accept +/-err: The allowable deviation represented by single number.

Accept +/-k to the nth place: The allowable deviation represented by "k" variation at the "n"th significant digit.

Accept +/-perc%: The allowable deviation represented by a percentage of the correct answer.