1. Use the data to make a scatter plot.



a. Let x= dollar spent
b. Let y = _____________
c. Underline the correct word or words to complete each sentence:
i. The number of gallons bought tend to increase/decrease as the number of dollar spend increase/decrease. The two sets of data have a positive/negative correlation.

b. Let y = number of gallons bought

i. The number of gallons bought tend to increase as the number of dollars spent increases. The two sets of data have a positive correlation.