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Different stores across the country sell a book for different prices. The table shows the price of the book in dollars and the number of books sold at that price.
| price in dollars | number sold |
|---|---|
| 11.25 | 53 |
| 10.50 | 60 |
| 12.10 | 30 |
| 8.45 | 81 |
| 9.25 | 70 |
| 9.75 | 80 |
| 7.25 | 120 |
| 12 | 37 |
| 9.99 | 130 |
| 7.99 | 100 |
| 8.75 | 90 |
Draw a scatter plot of this data. Label the axes.
Here is a scatter plot:
Select all the following that describe the association in the scatter plot:
Linear association
Non-linear association
Positive association
Negative association
No association
Using the data in the scatter plot, what can you tell about the slope of a good model for this data?
The slope is positive.
The slope is zero.
The slope is negative.
There is no association.