Assessment Rubric:Statistical Investigation

Category / Below Standard / At Standard
8.00-8.50 / At Standard
8.50-9.00 / Above Standard
Posing of a meaningful question to investigate / Unable to identify or frame a meaningful question for investigation / Identify everyday questions and issues involving at least one numerical variable
Gathering of Data / Insufficient data collected to form a reasonable sample / Collect data directly from secondary (or primary) source / Students compare techniques for collecting data from primary and secondary sources, and identify questions and issues involving different data types
Calculation of summary data / Cannot demonstrate consistent calculation of mean, median and mode if relevant / Calculation of mean, median and mode if relevant / Students identify mean and median in skewed, symmetric and bi-modal displays and use these to describe and interpret the distribution of the data. / Find the five-number summary (minimum and maximum values, median and upper and lower quartiles)
Presentation of Data / Does not ecord all raw data in a comprehensive format with clear labels and units if required. / Record all raw data in a comprehensive format with clear labels and units if required.
Effective presentation of data using either a bar chart, histogram or pie chart / Construct histograms and back-to-back stem-and-leaf plots with and without the use of digital technology / Use histograms and cumulative frequency graphs to represent data from a continuous scale
Determine quartiles and construct box plots for discrete and continuous data
Using the box plot as a tool for both numerically and visually comparing the centre and spread of data sets and to compare data
Analysis of data and conclusions / Students explain issues related to the collection of sample data and discuss the effect of outliers on means and medians of the data. / Discussion of the use of summary data to compare two data sets.
Use samples to make informal predictions about characteristics of a population and recognise the associated uncertainty / Can identify improvements to the data collection procedure (sample size, measuring techniques, bias) / Comment critically on the use of statistics to support or contest points of view in the media
Time management and organization
On task / Cannot stay on task.
Does not plan well. Cannot manage deadlines. / Reflects on work habits but does not apply strategies effectively. / Stays on task for the majority of the time. Takes responsibility.
Manages time adequately.
Makes genuine attempt to understand and apply learning strategies. / Is totally self organised and takes full responsibility.
Stays on task.
Identifies learning strategies and uses them effectively.
Group Work/
Group Assessment / Could not manage their time efficiently / Mainly stayed on task and productive / Was on task and productive throughout the entire process / On task, supportive of others learning and inclusive of others
Would not participate in presentation / Only limited in participation presentation / Was a willing participant in the presentation. / Responsible of ensuring all members were supported to participate in presentation