Set up a frequency distribution table and calculate the relative frequency for the following quiz scores that

Question:

Set up a frequency table and calculate the relative frequency for the following quiz scores that Matt achieved in his Algebra course:
Matt's Quiz Scores: 85, 88, 92, 79, 100, 78, 61, 60, 79, 99, 100, 69, 98, 85, 92, 79, 81, 85, 100, and 100.
Use the following frequency intervals:
60 - 70
70 - 80
80 - 90
90 - 100
Calculate the variance and standard deviation for Matt's quiz scores.
Distribution
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