Interpret line plots
key notes:
1. What is a Line Plot?
- A line plot is a type of graph that displays data along a number line.
- It uses X marks or other symbols above a number line to show the frequency of data points.
2. Features of a Line Plot
- Title: Describes what the data is about.
- Number Line: Represents the range of values.
- X Marks: Represent data points or frequencies.
3. Steps to Interpret a Line Plot
- Step 1: Look at the title to understand what the data represents.
- Step 2: Observe the number line to identify the range of data values.
- Step 3: Count the X marks above each number to determine the frequency of each value.
- Step 4: Analyze the plot for patterns, trends, or comparisons.
Learn with an example
1) Some students shared how many toy cars they have.
How many students in the class have exactly 2 toy cars?
____ students
- Count all the X’s in the column for 2 toy cars. 2 students have exactly 2 toy cars.
2) For a project, Michael found out how often people played miniature golf last summer.
How many people are there in all?
____ people
- Count all the X’s in the line plot. There are 28 X’s. There are 28 people in all.
3) The readers of a magazine reported how many winter hats they owned.
How many readers have more than 1 hat?
_____ readers
- Count all the X’s in the columns for 2 or 3 hats. There are 14 X’s. 14 readers have more than 1 hat.
Let’s practice!🖊️
