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|
- Draw a scatter plot of this data. Label the axes.
- Are there any outliers? Explain your reasoning.
- If there is a relationship between the variables, explain what it is.
- Remove any outliers, and draw a line that you think is a good fit for the data.
Here is a scatter plot:
Select all the following that describe the association in the scatter plot:
Using the data in the scatter plot, what can you tell about the slope of a good model?
The slope is positive.
The slope is zero.
The slope is negative.
There is no association.