This video tutorial demonstrates how to use the logarithmic regression feature on the TI-84 Plus CE graphing calculator. It covers entering data, plotting points, adjusting graph settings, performing logarithmic regression, and graphing the resulting model. The tutorial provides a step-by-step guide to ensure the model accurately represents the data set, making it a useful tool for analyzing logarithmic relationships.

What is the primary focus of this video tutorial?

• Using the TI-84 Plus CE for linear regression

• Exploring exponential functions

• Understanding logarithmic regression

• Learning about quadratic equations

Which values are entered into L1 on the calculator?

• Y values

• Logarithmic constants

• X values

• Regression coefficients

What should you do if the graph does not display any points?

• Re-enter the data

• Ensure the plot is highlighted

• Change the calculator's batteries

• Check if the calculator is turned on

Why is it important to adjust the window settings on the calculator?

• To save battery life

• To change the color of the graph

• To ensure all data points are visible

• To increase the calculator's speed

What type of function does the scatter plot resemble?

• Logarithmic function

• Exponential function

• Linear function

• Quadratic function

Which regression type is used for logarithmic regression on the calculator?

• Polynomial regression

• Ln regression

• Quadratic regression

• Linear regression

What is the value of 'a' in the regression equation?

• 7.82

• 14

• 5.31

• 26

How can you verify the accuracy of the logarithmic model?

• By recalculating the data

• By checking the calculator's battery

• By using a different calculator

• By graphing the model and comparing it to the data points