# Tutorial

• ### DIG Stats: Graphical Analysis

This module contains discussions on two and three dimensional graphs, histograms, scatterplots, boxplots, and data visualization, and provides links to a variety of relevant activities.
• ### Data Collection: Journal of Statisitcs Education - Data Archive

The Journal of Statistics Education has published this collection of datasets and related articles describing their use, submitted by faculty members from numerous institutions. Data is in .dat format.
• ### DIG Stats: Sitemap

This collection is organized as discussions and activities in the subjects of descriptive statistics, inferential statistics, graphical analysis, and TI-83 and Excel guides. It also includes a section of quizzes. Key Words: Mean; Median; Mode; Normal Distribution; Skewed Distribution; Range; Standard Deviation; Confidence Interval; T-Test; ANOVA; Correlation; Regression; Chi-Square; Probability Distributions; Histograms; Scatterplots; Boxplot.
• ### Dataset: DIG Stats: Baseball Salaries Activity

In this activity, students will calculate the mean, median, and mode of the salaries for the Angels and the Orioles baseball players. Questions about the exercise and links to Excel and TI-83 instructions. The data exists in Excel, TI-83, and text formats.
• ### Dataset Example: DIG Stats: Acid Rain Activity

In this activity, students will perform a one sample t-test to see if the pH level of rain collected by the EPA is less than the pH standard for acid rain (5.6). Questions about the exercise and links to a t-test applet and TI-83 instructions are given. The data exist in Excel, TI-83, and text formats.
• ### 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.