Question

determine whether the graph shows a positive correlation, a negative correlation, or no correlation. if there is a positive or negative correlation, describe its meaning in the situation. sport utility vehicle sales in the u.s., 1991 - 2001 source: the world almanac, 2003

Explanation:

Step1: Observe the trend of points

As the year increases from 1990 - 2002, the number of vehicles sold (in millions) also increases.

Step2: Determine the type of correlation

Since an increase in the independent variable (year) is associated with an increase in the dependent variable (number of vehicles sold), it is a positive correlation.

Step3: Describe the meaning

The meaning is that over the years from 1991 - 2001, the sales of sport - utility vehicles in the U.S. have been increasing.

Answer:

Positive correlation. The meaning is that over the years from 1991 - 2001, the sales of sport - utility vehicles in the U.S. have been increasing.