Displaying Data: Dot Plots, Histograms & Box Plots
I can name common data displays and read a simple dot plot.
📘 Word Bank + Sentence Frames
dot plothistogrambox plotdata displayfrequency (how many)
- Dot plot: one dot for each data value, stacked above a number.
- Histogram: bars showing how many values fall in each interval (no gaps).
- Box plot: a box showing the middle half of the data, with "whiskers".
- Frame: "In the dot plot, the value ____ appears ____ times."
👀 See It: A Worked Example
Pets per student (each ● is one student):
0 │ ● ●
1 │ ● ● ● ●
2 │ ● ● ●
3 │ ●
1 │ ● ● ● ●
2 │ ● ● ●
3 │ ●
The most common value is 1 pet (4 dots). One student has 3 pets.
✏️ Your Turn (use the dot plot above)
0 of 3 checks complete
1. How many students have exactly 2 pets?
2. Which display uses bars with no gaps to show how many values fall in each interval?
3. Which value appears MOST often in the dot plot?
💬 Explain Your Thinking
Describe what the dot plot tells you:
"The most common value is blank. I know because blank."