Using Predictions in Various Situations (Grade 12 NSC Matric Mathematical Literacy): Flashcards
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Basis of weather forecasts
Basis of weather forecasts
Probability
What % in weather forecast represents
What % in weather forecast represents
Likelihood based on historical patterns
Meteorologists definition
Meteorologists definition
Scientists who study and predict weather patterns
4 weather characteristics measured by instruments
4 weather characteristics measured by instruments
Temperature, air pressure, humidity, wind speed/direction
Complement of 80% chance of rain
Complement of 80% chance of rain
20% (since )
Key function of weather forecasts
Key function of weather forecasts
Provide probabilistic info, not absolute certainty
Improve predictions: data collection method
Improve predictions: data collection method
Collect more data over longer time periods
Improve predictions: measurement method
Improve predictions: measurement method
Better instruments and technology
Improve predictions: analysis method
Improve predictions: analysis method
Enhanced data analysis with better computers
What forecast % represent
What forecast % represent
Historical patterns, not guarantees