2.7 Measures of Variation

Comic of the Day

Tip: If at first you don't succeed, fudge the data

Deadlines & Announcements
Lab 2 Mobius questions due Fri Jan 31
Production Assignment 1 due Sun Feb 2 (will need to submit draft to WriteOn several days in advance)
Chapter 1&2 assignments (Moodle) due Mon Feb 3
Watch your rounding for the assignments.  Keep extra decimals for intermediate answers, then round your final answer only.
Theory Exam (Chapter 1&2) in class Mon Feb 3
Drop-in tutorials will run every Tue 12-12:50 in CAT286 (computer lab)

Today - 2.7 Measures of Variation

Notes on Moodle

Standard deviation using a dotplot

https://www.geogebra.org/m/SrkEMH7m

Next Lab - Lab 3 - Charts and PivotTables

Watch the video tutorial and refer to the sample pdf