Personal tools
Log in
Register
Search Site
Advanced Search…
Personal tools
Log in
Register
Logo
Home
Schools and Classes
Information
Search Site
Advanced Search…
Menu
Home
Schools and Classes
Information
Welcome to SmileyTutor
Click the drills button below to continue from before, or choose a department to find something new.
Drills
Read more
Math Department
Stats Department
Test
Computer Science Department
Fishery Science Department
Physics department
Íslenska
Chemistry department
SURVEYS
Undirbúningsefni VoN
You are here:
Home
/
Stats Department
/
Grunnhugtök, tilraunahögun og lýsandi tölfræði
/
Tilraunahögun
/
Hvað ef slembiúrtak er ógerlegt?
Info
Hvað ef slembiúrtak er ógerlegt?
« Previous: Parað slembiúrtak
Next: Sjálfboðaliðaúrtök »
