The scatterplot shows the time 20 students spent practicing piano versus the number of incorrect notes played. What can be inferred from the scatterplot?
a) There is a positive correlation between practice time and number of incorrect notes played.
b) There is a negative correlation between practice time and number of incorrect notes played.
c) There is no correlation between practice time and number of incorrect notes played.
d) The scatterplot does not provide enough information to determine the correlation.