Oil Quality and Price
Quality of oil is measured in API gravity degrees--the higher the degrees API,the higher the quality.The table shown below is produced by an expert in the field who believes that there is a relationship between quality and price per barrel. A partial Minitab output follows:
-{Oil Quality and Price Narrative} Draw a scatter diagram of the data.Comment on whether it appears that a linear model might be appropriate to describe the relationship between the quality of oil and price per barrel.

Question

Oil Quality and Price
 Quality of oil is measured in API gravity degrees--the higher the degrees API,the higher the quality.The table shown below is produced by an expert in the field who believes that there is a relationship between quality and price per barrel.  A partial Minitab output follows:  ​  ​  ​ 
-{Oil Quality and Price Narrative} Draw a scatter diagram of the data.Comment on whether it appears that a linear model might be appropriate to describe the relationship between the quality of oil and price per barrel.

Quizplus · Accepted Answer

The Answer of Oil Quality and Price
 Quality of oil is measured in API gravity degrees--the higher the degrees API,the higher the quality.The table shown below is produced by an expert in the field who believes that there is a relationship between quality and price per barrel.  A partial Minitab output follows:  ​  ​  ​ 
-{Oil Quality and Price Narrative} Draw a scatter diagram of the data.Comment on whether it appears that a linear model might be appropriate to describe the relationship between the quality of oil and price per barrel.