HO AND CHUANG: Auto-grading of problems is a central feature of MITx and HarvardX courses on edX, for a wide variety of problem types, including not just multiple-choice questions but also sophisticated mathematical equations, labeling of images, and computer programming code.
Since ESO techniques can be adapted to a wide variety of problem types in which some or all of the system components are stochastic, the practicality of this approach can be adapted to many operational and strategic planning situations containing significant sources of uncertainty.
These tasks have been broadened to include a variety of alternative problem types and to engage students in more authentic scientific practice.
While most animal-control issues concern dogs or wild animals, some officers said they had responded to a variety of problems involving many different types of pets.
The blackouts caused a variety of problems.
But Danone has faced a variety of problems there this year.
"There's such a variety of problems," he once said.
Elsewhere businesses were hampered by a variety of problems.
Pollution from power plants causes a variety of problems.
That can cause a variety of problems.
A variety of problems can lead to battery fires.
