Math 1 · Unit 10 · Lesson 1 · part 1 of 5
The Words We Use
The vocabulary for this lesson, in one place.
Words we use
| Word | Plain English | What you do |
|---|---|---|
| Scatter plot | A graph of many cases, one dot each: input on the x-axis, output on the y-axis. | Describe its direction, form, and strength. |
| Association | A pattern between two quantities. | Look at the cloud of points as a whole. |
| Positive, negative association | Up together; or one up while the other goes down. | Read left to right: rising or falling. |
| Correlation | How strongly two quantities are related in a straight-line way. | Tight around a line is strong. |
| Correlation coefficient, r | A number from −1 to 1 measuring the direction and strength of a linear relationship. | Sign is direction; size is strength. Technology finds it. |
| Graphing window | The part of the grid you can see: roughly the domain and range of the data. | Read the axes before reading the pattern. |