Which relationship can be best described as causal?
The alarm goes off and the sun rises.
The car is moving slowly and the driver is singing.
The snow is falling and the stores run out of snow shovels.
The birds are chirping and the rain is coming down.
Which scatter diagram shows the strongest negative correlation?
Beverly did a study this past spring using data she collected from a cafeteria. She recorded data weekly for ice cream sales and soda sales. Beverly found the line of best fit and the correlation coefficient, as shown in the diagram below.
Given this information, which statement(s) can correctly be concluded?
I. Eating more ice cream causes a person to become thirsty.
II. Drinking more soda causes a person to become hungry.
III. There is a strong correlation between ice cream sales and soda sales.