A dot plot gives you a visual display of how data are distributed.
Example: Here are the scores Yolanda received on math quizzes: 6, 10, 9, 9, 10, 8, 7, 7, and 10.
Make a dot plot for Yolanda’s quiz scores.
Step 1: Draw a number line.
Step 2: Write the title below the number line.
Step 3: For each number in the data set, put a dot
above that number on the number line.
Describe the dot plot by identifying the range, the mean, and the median.
Step 4: Identify the range. 10  6  4 Step 5: Find the mean. 76  9  8.4 Step 6: Find the median. 9
Step 7: Find the mode. 10
Greatest value 
Range: least value
Sum of data values Mean: Number of data values