If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

The number of umbrellas sold and the amount of rainfall on 9 days is shown on the scatter graph and in the table. The graph shows that there is a positive correlation between the number of umbrellas ...

Graphs can have: positive correlation; negative correlation; or no correlation. Positive correlation means as one variable increases, so does the other variable. They have a positive connection.