Frequency Histogram

See how to make and read a frequency histogram.
2 examples and their solutions.

For the given test scores, make a frequency histogram.

Solution

[1]

[2] [3]

[1]

[2]

x-axis: Test score intervals
y-axis: Frequency
(frequency) = (height of the bar)

[3]

There should be no space between the bars.

For the given histogram,
find the number of students whose scores are less than 70.

Solution