20 · Data Analysis & Statistical Modeling [D&A] — printable QR sheet
7 stations, one per page. Print (portrait), post one at each station.
Talk-it-through problems take any real attempt for credit; timed problems gate hint 2 at 30 s
and Reveal at 60 s past that.
Printer tip: Ctrl/Cmd-P → portrait → “Background graphics” on if you want the flavor colors.
Station 1 of 7
3.1 — Shape, Center & Spread
Mild Medium Hot Spicy
Station code
98e2e8fd
students can type this at the front page instead of scanning
https://geo-stations.mrritchey.com/98e2e8fd/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 2 of 7
3.2 — Data Displays (Technology)
Mild Medium Hot Spicy
Station code
01418d16
students can type this at the front page instead of scanning
https://geo-stations.mrritchey.com/01418d16/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 3 of 7
3.3 — Normal Distribution, Mean & Standard Deviation
Mild Medium Hot Spicy
Station code
f09a0964
students can type this at the front page instead of scanning
https://geo-stations.mrritchey.com/f09a0964/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 4 of 7
3.4 — Inference from Random Samples
Mild Medium Hot Spicy
Station code
40cd3c5a
students can type this at the front page instead of scanning
https://geo-stations.mrritchey.com/40cd3c5a/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 5 of 7
3.5 — Linear & Exponential Models, Correlation & Fit
Mild Medium Hot Spicy
Station code
68109c9f
students can type this at the front page instead of scanning
https://geo-stations.mrritchey.com/68109c9f/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 6 of 7
3.6 — Evaluating Reports & Misleading Data
Mild Medium Hot Spicy
Station code
8547c80b
students can type this at the front page instead of scanning
https://geo-stations.mrritchey.com/8547c80b/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 7 of 7
— Review (Data Analysis)
Mild Medium Hot Spicy
Station code
c079f5ab
students can type this at the front page instead of scanning
https://geo-stations.mrritchey.com/c079f5ab/
Scan → work it on the whiteboard → type the answer → show the summary screen.