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Data distributions

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Data types and categorical displays
1Classify a variable as nominal, ordinal, discrete or continuousOpen, set of 8LessonPractice
2Distinguish interval and ratio measurement scalesOpen, set of 8LessonPractice
3Build a frequency and percentage frequency tableOpen, set of 8LessonPractice
4Build a bar chart from a frequency tableOpen, set of 8LessonPractice
5Read values from a frequency table or bar chartOpen, set of 8LessonPractice
Reading categorical displays
6Read values from a frequency table or bar chartOpen, set of 8LessonPractice
7Report on the distribution of a categorical variableOpen, set of 8LessonPractice
8Compare categorical distributions across two groupsOpen, set of 8LessonPractice
Frequency tables and histograms
9Group numerical data into class intervalsOpen, set of 8LessonPractice
10Construct a histogram from a frequency tableOpen, set of 8LessonPractice
11Read values from a histogramOpen, set of 8LessonPractice
Distribution shape and plots
12Describe the shape of a distributionOpen, set of 8LessonPractice
13Construct a dot plot from raw dataOpen, set of 8LessonPractice
14Construct an ordered stem plot from raw dataOpen, set of 8LessonPractice
15Choose an appropriate display for a variableOpen, set of 8LessonPractice
Measures of centre
16Find the mean and the median, and choose between themOpen, set of 8LessonPractice
17Find measures of centre from a frequency displayOpen, set of 8LessonPractice
18Work backwards from a mean or medianOpen, set of 8LessonPractice
Measures of spread
19Find the range, the quartiles and the IQROpen, set of 8LessonPractice
20Calculate the standard deviation from the formulaOpen, set of 8LessonPractice
Standard deviation intervals
21Apply the 68–95–99.7% ruleOpen, set of 8LessonPractice
Box plots
22Produce a five-number summary and construct a boxplotOpen, set of 8LessonPractice
23Find the fences and identify outliersOpen, set of 8LessonPractice
24Read values and percentages from a boxplotOpen, set of 8LessonPractice
Comparing distributions
25Compare a numerical variable across groupsOpen, set of 8LessonPractice
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