Question

amy is recording the percentages she earned on each quiz in her math class. here are her results for the last 7 quizzes: 81, 92, 78, 93, 81, 76, 90. find the range of the data set.

Explanation:

Step1: Identify maximum value

The data set is 81, 92, 78, 93, 81, 76, 90. The maximum value is 93.

Step2: Identify minimum value

The minimum value in the data set is 76.

Step3: Calculate the range

The range is calculated by subtracting the minimum value from the maximum value. So, $93 - 76=17$.

Answer:

17