3.9
Investigate bivariate measurement data
Relationship Scatter
Internal
AS91581
R Squared has sort of Gone!

Investigate bivariate data 2013

News Flash - Our HOD now has a wiki! Check it out: http://mlvstats.wikispaces.com/

2014 3.9 BiVariate

3.9 Google Drive Files

3.9 BiVariate Lesson Log
3.9 BiVariate iNZight
3.9 BiVariate PASSING
3.9 BiVariate Merit
3.9 BiVariate Excellence
Achievement
Achievement with Merit
Achievement with Excellence
Investigate bivariate measurement data.
Investigate bivariate measurement data, with justification.
Investigate bivariate measurement data, with statistical insight.

http://www.nzqa.govt.nz/ncea/assessment/view-detailed.do?standardNumber=91581
http://ncea.tki.org.nz/Resources-for-aligned-standards/Mathematics-and-statistics/Level-3-Mathematics-and-statistics
is the standard
is sample task about sports science
is the data
is the sample task about subspecies
is the data
Exemplars
http://www.nzqa.govt.nz/qualifications-standards/qualifications/ncea/subjects/mathematics/exemplars/level-3-as91581-a/



http://new.censusatschool.org.nz/resources/3-9/
Use The PPDAC cycle
- Select and use appropriate displays
- Identify features in the data
- Find an appropriate model
- Describe the nature and strength of the relationship, and relate this to context
- Use the model to make a prediction
- Communicate findings in a conclusion
Students are to locate their own data and background information from the internet or other sources.
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http://ncea.tki.org.nz/Resources-for-aligned-standards/Mathematics-and-statistics/Level-3-Mathematics-and-statistics
see updated version above
see updated version above
You can get your own data from here: http://www.statsci.org/data/oz/ais.html
For excellence you need to understand the difference between correlation and causation.
Just because there is a relationship between two variables does NOT mean one CAUSED the other.
Which is also used for statistical reports EXTERNAL
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Maui's Dolphin: Uncovering a new subspecies

http://www.maths.otago.ac.nz/video/statistics/Dolphin/index.html

My FIRST attempts at getting iNZight to work