**S****catter Plot**

__Definition of Scatter Plot __

- A scatter plot is a graph made by plotting ordered pairs in a coordinate plane to show the correlation between
two sets of data.

__More about ____Scatter Plot__

- A scatter plot describes a positive trend if, as one set of values increases, the other set tends to increase.
- A scatter plot describes a negative trend if, as one set of values increases, the other set tends to decrease.
- A scatter plot shows no trend if the ordered pairs show no correlation.

__Examples of Scatter Plot __

- The scatter plot shows the hours of study and test scores of 20 students.

As the number of hours of study increases, the marks scored tend to increase.

So, the scatter plot describes a positive trend.

__Solved Example on Scatter Plot __

- Emily measured the depth of water in a bathtub at two-minute intervals after the tap

was turned on. The table shows her data. Make a scatter plot for the data.

**Choices:**

A. Graph 2

B. Graph 1

C. Graph 3

D. Graph 4

**Correct Answer: B**

**Solution:**

**Step 1:** In a graph paper, represent the time in minutes along the x-axis and the depth of water in the bathtub along the y-axis.

**Step 2:** Plot the values in the table. The scatter plot would look like the one below.

**Step 3: **Graph 4 matches the given data.

** **__Related Terms for ____Scatter Plot__

- Ordered pair
- Coordinate plane
- Correlation
- Graph
- Data

** **__Additional Links for ____Scatter Plot__