A
stem-and-leaf plot is a two column data display
which shows the
frequency of values in a data set.
Typically, the last digit of the value is in the leaf column, and the
preceding digits are shown in the same row in the stem column.
The stem-and-leaf plot represents values in the twenties, thirties, forties, fifties, and sixties.
The first row, with a 2 in the stem column, represents values in the twenties: 25, 27, 28, 28, and 29.
The second row, with a 3 in the stem column, represents values in the thirties: 30, 31, 33, 36, 37, and 37.
The third row, with a 4 in the stem column, represents values in the forties: 41, 42, 42, 43, and 44.
The fourth row, with a 5 in the stem column, represents values in the fifties: 52, 53, and 55.
The last row, with a 6 in the stem column, represents values in the sixties: 60 and 61.
The oldest teacher is 61. The youngest teacher is 25.
Find the difference.
4th Grade Math - Data Displays & Analysis Lesson