You grade exams for your class, and the grades are {70, 73, 75, 78, 81, 85, 88, 92, 95, 100}. How do you determine the mode of this set, and what is its value? The mode is the most frequent value, and this data set has a mode of 83. The mode is the center of the sorted data set, and this data set has no mode. The mode is the most frequently occurring value, and this data set has no mode. The mode is the center of the sorted data set, and this data set has a mode of 83