Oil Quality and Price

question 297

Essay

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} For what values of API gravity degrees do we feel comfortable making predictions for oil price?

---

Definitions:

On-Line Program Mode

Refers to a state where a device, such as a computer or PLC, can be programmed and controlled in real-time while connected to a network or system.

Contact Histogram

A graphical representation that displays the distribution of contact points or events over a specified time period.

Transition History

A record of the changes in state or condition that has occurred over a particular period of time.

PLC System Faults

Errors or malfunctions within a Programmable Logic Controller system affecting its operation or performance.