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Welcome to STAT-ATTIC STATistics Applets for Teaching Topics in Introductory Courses.

This site contains links to and descriptions of over 600 applets that can be used for demonstrations or analysis of topics commonly covered in introductory statistics courses.

Browse by Topics

• Graphical Displays of Data
• Descriptive Statistics
• Probability Concepts
• Random Variables & Probability Distributions
• Sampling & Sampling Distributions
• Confidence Intervals
• Hypothesis Tests
• ANOVA
• Chi-square Tests
• Regression
  • Illustrate basic concepts of correlation
  • Calculate sample correlations or test/inference on correlation based on user-entered data
  • Illustrate basic concepts of the least squares regression line
  • Illustrate how correlation and/or regression statistics are affected by points, outliers, range of X
  • Simulate data with specified correlation coefficients, slopes, standard deviations, standard errors
  • Calculate regression statistics or test the population slope based on user-entered data
  • Calculate multiple regression statistics or illustrate multiple regression surfaces
• Time Series & Forecasting
• Decision Analysis
• Quality Control Charts
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