Statistical Investigations Units of Work

Learning sequence

Curriculum Achievement Objectives

Specific Learning Outcomes
The students will be able to:

Units of work

Exemplar Link

Link to Learning Objects

Level 1 Statistical investigation A01
 

• sort objects into categories for display
• make a display of the data collected (pictograph)
• make statements about data displays

Exemplar Link

Link to Learning Objects

Level 2 Statistical investigation A01
 

• pose questions for investigation
• collect category data
• display data in tally charts, uniform pictograms bar charts
• make statements about data displays

• collect data on a tally chart
• make pictograms to represent data
• produce bar charts of data using Microsoft Excel

• write questions for statistical investigations and design a method of collection of data
• display collected data in an appropriate format
• make statements about implications or possible actions based on the results of an investigation
• make conclusions on the basis of statistical investigations

• collect information
• write questions for investigation
• sort information into categories
• display information to answer questions or find out things
• answer questions by sorting, organising and arranging information
• make sensible statements about the information and be able to back up their statements with appropriate displays

Exemplar Link

Link to Learning Objects

Level 3 Statistical investigation A01
 

• display data in bar graphs and stem and leaf graphs
• discuss features of data display using middle, spread, and outliers

• plan an investigation
• display data in dot plots, strip graphs and pie charts
• discuss features of data display using middle, spread, and outliers

• record data in tables
• use scatter plot graphs to identify relationships between variables

• plan an investigation
• choose an appropriate data display (bar chart, stem-and-leaf, strip graph, line graph)
• make statements about the findings of the investigation

• write questions for statistical investigations and design a method of collection of data
• display collected data in an appropriate format
• make statements about implications or possible actions based on the results of an investigation
• make conclusions on the basis of statistical investigations

• collect informtion
• sort information into categories
• answer questions by sorting, organising and arranging information
• make sensible statements about the information with supporting evidence

Exemplar Link

Link to Learning Objects

Level 4 Statistical investigation A01
 

• plan an investigation
• choose an appropriate data display (bar chart, stem-and-leaf, strip graph, line graph)
• make statements about the findings of the investigation
• use spreadsheets to display and analyse data

• plan an investigation
• use spreadsheets to display and analyse data
• discuss features of data display

• follow and repeat a procedure to replicate exactly the same conditions
• measure and record distances accurately
• graph the starting positions and distances travelled on scatter graphs
• talk about distinctive features of scatter graphs
• make statements, backed up by reference to graphs, about possible actions

Exemplar Link

Link to Learning Objects

Level 5 Statistical investigation A01
 

• plan an investigation
• discuss features of data displays using mean and mode
• state implications from investigation

• plan an investigation including selecting an appropriate sample
• choose and construct appropriate data displays
• discuss features of data displays using mean, median and mode and looking at the range where appropriate
• state implications from their investigation
• look at possible further investigations or improvements to their investigations

• discuss features of small amounts of discrete data
• compare features of sets of small amounts of discrete data
• plan and conduct an investigation to ascertain information from a set of data
• report the results of the investigation concisely and coherently

• plan an investigation
• be able to display time series data
• discuss features of time series distributions
• compare features of time series distributions
• report on possible sources of error and limitations in displayed data
• report the results of a statistical investigations concisely and coherently

• identify questions that can be answered using statistical data
• discuss the notion of "outlier"
• draw box and whisker plots
• compare two such plots

Exemplar Link

Level 6 Statistical investigation A01
 

• plan an investigation
• be able to display time series data
• discuss the components and features of time series distributions
• compare features of different time series distributions
• report the results of a statistical investigation concisely and coherently

• write and answer a question that compares sets of statistical data
• justify the answer to a question with reference to graphs and statistical calculations
• compare data about two variables
• record statistical information in ways that are helpful for drawing conclusions
• comment on statistical processes e.g. bias, limitations and possible improvements

• calculate means
• choose appropriate ways of grouping continuous variables in order to represent them on histograms
• compare two distributions
• discuss the difference between the distribution of a variable and the distribution of the mean of a variable