Question

The table shows the number of years after the year 2000 and the percentage of people of a country owning homes:


Number of years after 2000 (x) 2 4 5 1 3 7 6
Percentage of people owning homes (y) 24% 32% 36% 20% 28% 44% 40%


What is the correlation coefficient for the data, and what does it represent?
0; it represents no correlation between x and y
1; it represents a perfectly linear positive correlation between x and y
1; it represents a perfectly linear negative correlation between x and y
−1; it represents a perfectly linear negative correlation between x and y