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. 2. The scatter plot below shows how the weight of a baby alligator changed after hatching.
Which equation best represents the weight, w, of this alligator n weeks after hatching?
a. W = 0.25n + 6
b. W = 0.65n + 6
c. W = 6n +0.25
d. W = 6n + 0.56
b. Let y = number of gallons bought
c. The number of gallons bought tends to increase as the number of dollars spent increases. The two sets of data have a positive correlation.
The equation that best represents the weight, w, of this alligator n weeks after hatching is:
a. W = 0.25n + 6