The Analytics Edge

2.2 The Statistical Sommelier: An Introduction to Linear Regression

Quick Question

The plots below show the relationship between two of the independent variables considered by Ashenfelter and the price of wine.

 

What is the correct relationship between harvest rain, average growing season temperature, and wine prices?

 More harvest rain is associated with a higher price, and higher temperatures is associated with a higher price  close

 More harvest rain is associated with a higher price, and higher temperatures is associated with a lower price  close

 More harvest rain is associated with a lower price, and higher temperatures is associated with a higher price  check

 More harvest rain is associated with a lower price, and higher temperatures is associated with a lower price  close

Check   Show Solution

Explanation The plots show a positive trend between average growing season temperature and the wine price. While the trend is less clear between harvest rain and price, there is a slight negative association.

• Back: The Statistical Sommelier: An Introduction to Linear Regression
• Continue: Video 2: One-Variable Linear Regression