The scatterplot shows the number of cases of a certain disea

The scatterplot shows the number of cases of a certain disease diagnosed in one region for the years 1991 2011. Considering all of the data, which of the following best describes the linear association between number of cases diagnosed and year? weak, negative strong, negative no linear association strong, positive weak, positive

Solution

The scatter plot shows the number of cases of a certain disease diagnosed in one region for the years 1991 - 2011.

Considering all of the data, which of the following best describes the linear association between number of cases diagnosed and year.

There is no linear association between number of cases diagnosed and year.

The graph shows a non linear pattern (polynomial).