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. Consumer Price Index, 1950-2002 C P I A graph titled Consumer Price Index, 1950 to 2002 has year on the x-axis, and C P I on the y-axis. Points trend in a positive line. Year Source: Bureau of Labor Statistics, U. S. Dept. of Labor a. no correlation b. positive correlation; as time passes, the CPI increases. c. positive correlation; as time passes, the CPI decreases. d. negative correlation; as time passes, the CPI decreases.