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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} Determine the least squares regression line.
Bar Chart
A graphical representation of data using bars of varying heights or lengths to show the values across different categories.
Frequency Polygon
A graphical representation of the distribution of a dataset that uses lines connecting points representing the frequencies of respective values.
Initial Understanding
The foundational or basic comprehension of a concept, phenomenon, or situation before further, deeper learning takes place.
Dependent Variables
Variables in an experiment that are expected to change as a result of changes made to the independent variables.
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