Tammy is recording the percentages she earned on each quiz in her math class. Here are her results for the last quizzes.
79 91 76 87 93 79 94
Find the range of the data set.
To find the range of the data set, we need to first find the lowest and highest values in the set.
Lowest value: 76
Highest value: 94
Range = Highest value - Lowest value
Range = 94 - 76
Range = 18
Therefore, the range of Tammy's quiz percentages is 18.