Store records show that people who live closer to a grocery store tend to purcha

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

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