Question

a teacher tall her students quiz scores up on the representation below.
quiz scores
(chart: x - axis: points (40 - 49, 50 - 59, 60 - 69, 70 - 79, 80 - 89, 90 - 99); y - axis: frequency (number of students), with bars: 40 - 49: 5, 50 - 59: 5, 60 - 69: 3, 70 - 79: 3, 80 - 89: 2, 90 - 99: 6)
what was the most common score interval?

Explanation:

The histogram shows the frequency of students in each quiz score interval. The interval with the tallest bar has the highest frequency, meaning it is the most common. The 90-99 interval has the tallest bar, with 6 students.

Answer:

90-99