Questions: Statistics and charts
Pick a question type. Each time you get new numbers. Free ones are marked free.
Averages and range
- The mean of a listWork out, 2 marks, free
- The median of a listWork out, 2 marks, free
- Mode and rangeWrite down, 2 marks, free
- A missing value from the meanWork out, 3 marks, free
- Mean of two groups togetherWork out, 3 marks, free
- Compare two sets with an average and the rangeCompare, 5 marks, free
- Which average to useChoose, 1 mark, free
- Adding to or multiplying every valueWrite down, 2 marks, free
- How one extreme value moves the meanWork out, 4 marks, free
Frequency tables
- Mean from a frequency tableWork out, 3 marks, free
- Mode and median from a frequency tableWork out, 3 marks, free
- The f × x column and the meanComplete, 4 marks, free
- Estimate the mean of grouped dataWork out, 4 marks, free
- Modal class and counting from a grouped tableWrite down, 2 marks, free
- The class that contains the medianFind, 2 marks, free
- A missing frequency from the meanWork out, 3 marks, free
- Why a grouped mean is an estimateChoose, 1 mark, free
- Totals and counts from a frequency tableWork out, 3 marks, free
Charts and diagrams
- Reading a bar chartWork out, 5 marks, Plus
- Angles for a pie chartComplete, 3 marks, Plus
- Reading a pie chartWork out, 3 marks, Plus
- Reading a stem-and-leaf diagramWork out, 4 marks, Plus
- A stem-and-leaf diagram with a decimal keyWrite down, 2 marks, Plus
- Drawing a frequency polygonPlot, 3 marks, Plus
- What makes a chart misleadingChoose, 1 mark, Plus
- Reading a time series graphUse, 3 marks, Plus
- Comparing two pie chartsCompare, 4 marks, Plus
Scatter graphs and sampling
- Type of correlationChoose, 2 marks, Plus
- Using a line of best fitEstimate, 3 marks, Plus
- Spotting an outlier on a scatter graphChoose, 1 mark, Plus
- Plotting points on a scatter graphPlot, 3 marks, Plus
- Correlation is not causationChoose, 1 mark, Plus
- Estimating from a sampleEstimate, 3 marks, Plus
- Why a sample is biasedChoose, 1 mark, Plus
- Population and sampleChoose, 1 mark, Plus
- Interpolation and extrapolationChoose, 1 mark, Plus
Cumulative frequency, box plots and histograms
- Cumulative frequency tableComplete, 3 marks, Plus, Higher tier
- Median and IQR from a cumulative frequency graphEstimate, 4 marks, Plus, Higher tier
- Counting above a value on a cumulative frequency graphEstimate, 2 marks, Plus, Higher tier
- Plotting a cumulative frequency graphPlot, 3 marks, Plus, Higher tier
- Reading a box plotWrite down, 5 marks, Plus, Higher tier
- Comparing two box plotsCompare, 4 marks, Plus, Higher tier
- Quartiles of a listFind, 4 marks, Plus, Higher tier
- Frequency densityComplete, 3 marks, Plus, Higher tier
- Frequencies from a histogramWork out, 4 marks, Plus, Higher tier
- Estimating part of a class from a histogramEstimate, 3 marks, Plus, Higher tier
- Why histograms use frequency densityChoose, 1 mark, Plus, Higher tier
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