The Following Display from a Graphing Calculator Presents the Least-Squares

question 12

Multiple Choice

The following display from a graphing calculator presents the least-squares regression line for predicting the price of a certain commodity (y) from the price of a barrel of oil (x) . Write the equation of the least-squares regression line.

• A) y=4.71+0.48909 x
• B) y=4.71+0.49 x
• C) y=0.49+0.48909 x
• D) y=0.49+4.71 x

Grasp the concept and application of sparkline charts for data trend visualization within a cell.

Master the use of Excel's Auto Fill Options for efficient data management and series creation.

Learn to manage and navigate large datasets through the use of freezing panes and splitting windows.

Understand the impact of cell formatting options and how they affect data presentation.

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