The following scatter diagram displays the total life expectancy in years on the X axis and GDP per capita (constant 2000 S) on the Y axis, in Country S for the past 40 years.
Which of the following statements is true in respect of the graph?
A . A perfect positive linear relationship is shown in the diagram.
B . In most years, the samples shows a clear negative trend in the diagram
C . There is no correlation between the level of GDP per capita and life expectancy.
D . In some years, the level of GDP per capita and life expectancy moved in opposite directions.
Answer: C