Collect Graph Practice Three for attendance.

ANNOUNCEMENTS & ASSIGNMENTS:

EXAM NEXT Week! April 12 - 16!:   Be on time or lose points. 

Preview of Lab Next Two Weeks: Final Lab Project!

Reading:  RFID Tags, RFID in Passports,and Verichips.,Finish Text Sections 14-15 (pages 88-91)

Websites of the Week:  How to create a Histogram in Excel, Powers of Ten, Jill Tarter's TED Prize talk, Will Wright TED talk on Game Spore

LECTURE:

Graph Practice Three Review

    Catholics in the USA, Tsunami 2004 (from Wikipedia.org)

Circle Graphs

Converting Decimal to Binary

Text coded as binary: ASCII code.

Descriptive Statistics:

     Mean: the numerical average, used with quantitative data.  Practice.

    Mode: the most often observed value, used with qualitative as well as quantitative data.

    Median: The mid-point or middle, used with quantitative continuous data.

    Variation: Often more important than the Mean and shown in: Histogram,
                    Inter-quartile range, Box & Whiskers plot, Variance,
                    & Standard Deviation.

History of the Internet Video