Blake records the amount of daily rainfall along with the average daily temperature for several days. The scatterplot shows his data. A graph titled Rainfall and Temperature has rainfall (inches) on the x-axis and average daily temperature (degrees Fahrenheit) on the y-axis. Points are grouped closely together. Point (2.5, 98) is above the cluster.

Which statement about the outlier in the data set is true?
Blake should not include the outlier because it overstates the effect of rainfall on temperature.
Blake should include the outlier because it shows there is no relationship between rainfall and average daily temperature.
Blake should not include the outlier because it understates the effect of rainfall on temperature.
Blake should include the outlier because it shows there is a relationship between rainfall and temperature.