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• ### Dataset Example: DIG Stats: Airport Activity

In this activity, students will calculate the correlation and generate a scatterplot of the number of passengers flying and the number of performed departures from 135 airports in the US. Questions about the exercise and links to Excel and TI-83 instructions are given. The data exist in Excel, TI-83, and text formats.
• ### DIG Stats: Insulation Activity

In this activity, students will generate scatterplots and use regression and logarithms to explore a dataset with time and temperature data for an insulation pack. Questions about the exercise are given at the bottom of the page as well as links to instructions for Excel and the TI-83 calculator. The data exists in TI-83 group, Excel, and text formats.
• ### DIG Stats: Excel Guide for Performing an ANOVA

This tutorial explains in detail how to perform an ANOVA in Excel.
• ### DIG Stats: TI-83 Guide for Calculating Correlation

This tutorial explains in detail how to calculate correlation with a TI-83 graphing calculator.
• ### DIG Stats: Excel Guide for Making a 3-D Graph

This tutorial explains in detail how to make a 3-D graph using the Chart Wizard in Excel.
• ### DIG Stats: TI-83 Guide for Importing Data and Programs

This tutorial explains in detail how to import data and programs on the TI-83 graphing calculator using TI-83 Graphlink software.
• ### DIG Stats: TI-83 Guide for Determining the Confidence Interval

This tutorial explains in detail how to find a confidence interval using the TI-83 graphing calculator.
• ### DIG Stats: Excel Guide for Determining the Confidence Interval

This tutorial explains in detail how to find a confidence interval using Excel.
• ### DIG Stats: Excel Guide for Making a Scatterplot

This tutorial explains in detail how to make a scatterplot in Excel.
• ### Exponential Probabilities

The applet in this section allows you see how probabilities are determined from the exponential distribution. The user determines the mean of the distribution and the limits of probability. Three different probability expressions are available. Click "Calculate" to see the pdf and the cdf. The probability is highlighted in green on the pdf. This page was formerly located at http://www.stat.vt.edu/~sundar/java/applets/ExpDensity.html