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Pie graph of eye colour using paper folding

In this activity students investigate the distribution of eye colour in a CensusAtSchool random sample. Students make approximations with common fractions to enable the formation of a pie chart using paper folding.

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Pie graph of eye colour by calculating angle size

In this activity students investigate the distribution of eye colour in a CensusAtSchool random sample. Students calculate the angle sizes needed to represent eye colour for their sample in a pie chart.

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Mean of belly button heights

In this activity, students use CensusAtSchool data on belly button heights, remove outliers and calculate the mean. Students create a realistic set of belly button heights for a given mean and write an explanation of their process.

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The birth month paradox

In this activity students use CensusAtSchool data to estimate the probability that in a randomly selected group of five students at least two will have the same birth month.

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Ratios, fractions, decimals and percentages

In this activity students use CensusAtSchool data to investigate the questionnaire participation of students from different states and territories. Students express data as proportions using ratios, fractions, decimals and percentages.

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Bar charts of favourite music

In this activity students use CensusAtSchool data to find students' favourite type of music. Results are compiled and used to make a bar chart. Comparison is made with the student's own class and results are presented in a report.

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Using a trend line to find a relationship between height and foot length

In this activity students test the hypothesis that a person's height is seven times their foot length. Students follow spreadsheet instructions to interrogate CensusAtSchool data by forming a scatter plot, assessing outliers and adding a linear trend line. They use their results to predict the height of three classmates.

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Venn diagrams: eye colour v internet access

In this activity students use a Venn diagram of CensusAtSchool data to test the hypothesis that students' broadband internet use is associated with eye colour. Students select random samples to test this hypothesis.

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Is my class green? Comparing samples and population

In this activity students conduct a class survey to discover the actions that classmates have taken to conserve the environment. They compare their results with CensusAtSchool data and write about their findings.

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Scatter plots: making predictions for height v arm span

In this activity students use computers, CAS calculators or manual techniques to create a scatter plot to investigate the relationship between height and arm span. Random samples of data are accessed from the Australian Bureau of Statistics' CensusAtSchool data. Findings are used to make predictions. The resource includes ...

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Scatter plots: line of best fit for height and arm span

In this activity students investigate the relationship between height and length of arm spans as a means of introducing the concepts of correlation and line of best fit. Students draw scatter plots and describe their findings. Random samples of data are accessed from the Australian Bureau of Statistic' CensusAtSchool data.

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Cause and effect: height and dominant hand reaction time

In this activity students investigate the correlation between height and dominant hand reaction time. Random samples of data are accessed from the Australian Bureau of Statistics CensusAtSchool data. Outliers are investigated and scatter plots are drawn. Students present their findings. The resource includes a student worksheet.

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Writing instructions for making a scatter plot of height v foot length

In this activity students consider the process to be followed to test the hypothesis that a person's height is seven times their foot length. Students establish how the data will be collected, presented and analysed. In related activities - CaSQ24B and CaSQ24C - the process is executed. The resource includes a student worksheet.

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Using a scatter plot to find a relationship between height and foot length

In this activity students test the hypothesis that a person's height is seven times their foot length. Students determine the relationship between the variables and check their results. In a related activity - CaSQ24C - spreadsheets are used to analyse the data. The resource includes a student worksheet.

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Parallel box and whisker plots of money earned

In this activity students use CensusAtSchool data to compare the money earned by two samples of students. They draw parallel box plots to display and interpret the data and report their conclusions. The resource includes a student worksheet.

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Box and whisker plots with outliers of money earned

In this activity students are introduced to an objective approach to identifying outlier values in a dataset. The approach is applied to modify a random sample of CensusAtSchool data. Students draw a box and whisker plot of the modified dataset. The resource includes a student worksheet.

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Split stem and leaf plot for hours slept

In this activity students are introduced to split stem and leaf plots to display datasets. Students discard and replace outlier values and draw a split stem and leaf plot to display data. The resource includes a student worksheet.

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Stem and leaf plot of travel time

In this activity students access a random sample of CensusAtSchool data. They identify and replace any outlier values and follow instructions to draw a stem and leaf plot. The resource includes a student worksheet.

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Mean, median and mode of hours slept per night

In this activity students select a sample of ten values from a dataset and calculate the mean, median and mode. They are then challenged to construct a dataset of ten values having mean, median and mode equal to 9. The resource includes a student worksheet.

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Back-to-back stem and leaf plot of sex vs concentration time

In this activity students use CensusAtSchool data to compare concentration times of males and females. They manually draw a back-to-back stem and leaf plot to analyse the data and draw conclusions. The resource includes a student worksheet.