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Statistical Worksheets with Applets

Statistical Worksheets with Applets. MAA Spring Meeting March 12, 2005 Supported by NSF-DUE 0126682 . Technology in Statistics. Allows Visualization Allows Computation Mean, Standard Deviation, Random Samples Least squares line Allows Case Studies/Data Exploration

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Statistical Worksheets with Applets

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  1. Statistical Worksheets with Applets MAA Spring Meeting March 12, 2005 Supported by NSF-DUE 0126682

  2. Technology in Statistics • Allows Visualization • Allows Computation • Mean, Standard Deviation, Random Samples • Least squares line • Allows Case Studies/Data Exploration • Minitab for exploring extended applications • Simple “Data Mining” activities

  3. But Technology also leads to • A Disjointed Combination of Different Media • Textbook and Exercises are Pencil&Paper • Supplements are placed on the web • Minitab/ActiveStats are often “stand alone” activities • Lots of Material that cannot be Assessed • Tests and Quizzes remain pencil&paper • Applets primarily for Illustration • Worksheet Assignments often mean Grade inflation

  4. Avoiding the Pitfalls • Learning must be active • Applets must be integrated into assignments • Minitab, Maple, etc. must require some element of creativity • Students must be engaged • Create active learning environment • Require regular interactive assignments

  5. Implementation at ETSU • About 1200 students each semester • Idea is introduced in a classroom setting (the Mansion) • Online “homework” assignments require interaction and exploration of assignment • Next class meeting is in the statistics laboratory (The Stat Cave ) • Stat Cave is for extensive Minitab Application

  6. Benefits and Shortcomings • Expected Benefits • Improved performance in gen. ed. experience • Better comprehension of statistics concepts • Better interaction between faculty and students • A Few Problems • High computer use leads to many computer repairs • Scheduling • Serving online courses

  7. Unintended Benefits • Service to other departments • Sections for other disciplines in which “their” preferred stat package is used instead of Minitab • Specialized training for specific populations • Computer Science Laboratory Experiences • Sociology/Psychology sections • Biology-specific section • Improved retention and better attitudes

  8. The Course Site • New Web Site being Developed • Current web site is at http://www.etsu.edu/math/seier/1530/1530link.htm • Let’s take a look!

  9. The Next Step • GOAL: To develop online worksheets that incorporate all 4 stages • Amenable for Lecture • Based on interactive exercises with applets • Utilize Minitab data • Include an assessment component • (Actually, Minitab experience will not be replaced, only augmented)

  10. SWAPPLETS! • Statistics Worksheets with Applets • Pronounced (swop-lets) • Sample at http://faculty.etsu.edu/knisleyj/swapplets/ • Must complete exercises on each page before you can move to the next • Last Page of Swapplet has exercises and email box so results can be sent to instructor

  11. Incorrect Answer results in a hint!

  12. Thank you! Any Questions?

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