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Statistics & Probability (...are used for questions that ask about...,…
Statistics & Probability
Central Tendencies
Mode; value(s) in a set of data that occurs the most
Range; the difference between the lower extreme (least) and the upper extreme (highest) values
Median; middle-most number in an ordered set of data
Interquartiles
Mean; average
standard deviation
How can data be visually displayed?
Representations of Data
Scatter Plot; plotting of data
Histograms; frequency bar graph of data intervals
Box-Whisker Plot
Constructed using interquartiles, median, and the upper/lower extremes
Frequency Table/Plot
Graphs
Linear Model
line of best fit; regression line
Non-linear Model
exponential growth/decay
Data Collection
Biases
Correlation v Causation
Trends
Quantitative v Categorical
Surveys
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Grouping/Listing
Permutations; list in which order matters
Combinations; grouping of data (1,2,3 is the same as 3,2,1)
Probability
measures of dispersion
central tendencies
percentages
Outcomes
relating to random experiments
independent trials
relate to probability [distributions]
discrete
continuous
Data
Predictions
made by interpreting representations of data
Decisions
Statistical hypothesis
statistical testing
chi squared
Null hypothesis
involves counting, such as...
measured by
is summarized by ...
are either