A property developer has a plan for a massive new amusement park but is unsure how many people might attend. To get a better sense of visitor numbers, she collected information from other amusement parks across the country.
For each park, she noted the number of rides, x, as well as the average daily attendance, y.
The least squares regression line of this data set is:
y= 637.984x – 2,732.206
Complete the following sentence:
If an amusement park had one more ride, the least squares regression line predicts the average daily attendance would increase by_____ .