Using data on the economy of a small country called Calabria, an economist wants to test the correlation between GDP growth in one period and GDP growth in the next period. The data show a correlation coefficient of 0.321. Which of the following statements interpret the meaning of the linear correlation coefficient in the context of the problem?

We can learn very little about the pattern of growth and decline in Calabria without knowing more about its economy.

The economy tends to move in cycles, whereby it is growing for several quarters and then it falls for a while.

The economy of Calabria is always generally growing with some occasional declines but more periods of increase.

Growth from one quarter to the next in Calabria is very regular in a patter of growth every period with very few declines.

Growth from one quarter to the next in Calabria tends to fluctuate, increasing one quarter then often bouncing back down the next.

The economy grows at an average rate of 32.1%.