Statistical Investigation (HSC SSCE Mathematics Standard): Flashcards
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Statistical investigation definition
Statistical investigation definition
Systematic process to collect & analyse data to answer questions
4 steps of statistical investigation (acronym)
4 steps of statistical investigation (acronym)
COSA: Collect, Organise, Summarise & display, Analyse
Census in data collection
Census in data collection
Data gathered from every member of entire population
Survey in data collection
Survey in data collection
Data collected from smaller group (sample) within population
Bias in statistical investigation
Bias in statistical investigation
Data unfairly skewed or gives too much weight to particular result
Types of data visual displays
Types of data visual displays
Scatterplots, histograms, box plots, line graphs, dot plots
Statistical summary measures
Statistical summary measures
Mean, median, mode, standard deviation
Bivariate data analysis components
Bivariate data analysis components
Form, direction, strength of relationship between 2 variables
Ethical issues acronym in statistical investigations
Ethical issues acronym in statistical investigations
BACP: Bias, Accuracy, Copyright, Privacy
Correlation vs causation principle
Correlation vs causation principle
Correlation does not imply causation