Store records show that people who live closer to a grocery store tend to purcha
ID: 2934930 • Letter: S
Question
Store records show that people who live closer to a grocery store tend to purchase more. The relationship between the distance to the store in miles (X) and the amount a customer spends over the year in dollars (Y) fits the following regression line: Y = –100 X + 1000. Interpret the coefficient –100 in this regression equation.
A customer who is 1 mile away from the store spends $100 annually at the store
For each extra mile farther from the store, yearly amount spent goes down by $100
For each extra mile farther from the store, average yearly amount spent goes down by $100
A customer who is 1 mile away from the store spends $100 annually at the store
For each extra mile farther from the store, yearly amount spent goes down by $100
For each extra mile farther from the store, average yearly amount spent goes down by $100
Explanation / Answer
for -100 is slope of regreeson line ; correct interpretation is:
For each extra mile farther from the store, average yearly amount spent goes down by $100