Statistics (Bivariate) - Internal 3 credits - Literacy/Numeracy
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Correct use of the PPDAC cycle
Problem - What is the relationship between
Plan - number of trials (30) and detail about how you are going to collect data
Data - Table
Analysis - Scatterplot
Conclusion - Point, Explain, Example
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ACHIEVED
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PPDAC + Relationship and trend
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MERIT
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PPDAC + Strength of relationship (in context) and explanation
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EXCELLENCE
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PPDAC + Example (in context). Limitations of the investigation, Interpolation and Extrapolation
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Literacy Strategy:
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Mnemonic
PPDAC Cycle and PEE chain
Give one Get one
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Teaching Strategy
| Trend line slopes uP, Positive relationship, both variables increase Trend line slopes dowN, Negative relationship, one variable increases, while other decreases
(when you have a strong relationship, you are close to someone)
Strong relationship: Data is CLOSE to the trend line
Moderately strong relationship: Some Data is CLOSE and some data is FAR from the trend line
Weak relationship: Data is FAR from the trend line
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Friday, 25 August 2017
Bivariate Statistics - Cheat Sheet
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