Using the following intervals for the scores on a 30-point quiz, which interval has the least frequency?

Scores: 21, 27, 20, 29, 23, 21, 21, 27, 26, 25

Intervals: 19–21, 22–24, 25–27, and 28–30

Using the following intervals for the scores on a 30point quiz which interval has the least frequency Scores 21 27 20 29 23 21 21 27 26 25 Intervals 1921 2224 2 class=