ANNOUNCEMENTS & ASSIGNMENTS:
EXAM NEXT WEEK!: Be on time or lose points.
Preview of
Lab Next Two Weeks:
This week:
Lab 8 Web Page II: Links, image tags, Cascading Style Sheets
Next Week:
Final Lab
Project
Reading:
Keyboards,
How roller
mice work, How
roller and optical mice work,
How touch pads
work,
How active-matrix
screens work.
Text Sections 11-13 (pages 64-87)
Website of the Week: Alternative News Sites How to Evaluate Web Site Credibility What Peer Review Means, Hans Rosling's TED talk, and Gapminder.org software site
LECTURE:
Review Graph Practice Two
Demographic Transitions: One, Two
Descriptive Statistics: Handout
Mean: the numerical average, used with quantitative data.
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.
Text coded as binary
Graph Practice Three