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General Mathematics
Data distributions
Chapter 2
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RESTS ON
Multiplication and division
FOUNDATIONS
Express one quantity as a percentage of another
CH 1
Rounding
FOUNDATIONS
Percentage of a quantity
CH 1
Decimal place value
FOUNDATIONS
Signed numbers
FOUNDATIONS
Data types and categorical displays
Reading categorical displays
Frequency tables and histograms
Distribution shape and plots
Measures of centre
Measures of spread
Standard deviation intervals
Box plots
Comparing distributions
Classify a variable as categorical or numerical
Classify a categorical variable as nominal or ordinal
Classify a numerical variable as discrete or continuous
Distinguish interval and ratio measurement scales
Build a frequency table for categorical data
Calculate percentage frequency
Identify the mode of a categorical distribution
Construct or read a bar chart
Read a value from a frequency table or bar chart
Describe a categorical distribution
Build a frequency table for discrete numerical data
Choose class intervals for grouped data
Build a grouped frequency table
Construct or read a histogram
Choose a display to suit the data
Classify distribution shape
Compare centre and spread visually across displays
Construct or read a dot plot
Construct or read a stem plot
Order data and locate a value by position
Calculate the mean
Calculate the median
Choose the appropriate measure of centre
Calculate the range
Calculate the quartiles
Calculate the interquartile range
Calculate the standard deviation
Choose the appropriate measure of spread
Build and read standard-deviation intervals
Apply the 68–95–99.7% empirical rule
Produce a five-number summary
Construct or read a boxplot
Calculate outlier fences
Construct a boxplot with outliers plotted individually
Read percentages from a boxplot
Read a back-to-back stem plot
Read parallel boxplots
Compare distributions across groups