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 – Minitab for exploring extended applications – Simple “Data Mining” activities 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 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 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 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 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 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! 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) 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 Incorrect Answer results in a hint! Thank you! Any Questions?
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