Statistical Investigations Units of Work

S1-1

• Pose investigative questions with support from the teacher.
• With the teacher decide on how to collect the data to answer the investigative question.
• Sort objects into categories for display.
• Make a display of the data collected (pictograph).
• Make statements about data displays.

S2-1
 

• Pose investigative questions.
• Plan for and collect category data.
• Display data in tally charts, pictographs and bar graphs.
• Make statements about data displays.
• Answer the investigative question.

• Write investigative 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.

• Pose investigative questions.
• Write data collection or survey questions to support collecting information for investigation.
• Collect information.
• Sort information into categories.
• Display information to answer investigative questions or find out things.
• Answer investigative questions by sorting, organising and arranging information.
• Make sensible statements about the information and be able to back up their statements with appropriate displays.

• Pose investigative questions
• Design data collection methods
• Collect and collate data.
• Display collected data in an appropriate format and make statements about the displays of data.
• Make conclusions based on a statistical investigation.

S3-1
 

• Display numerical data using dot plots.
• Display categorical data using bar graphs.
• Discuss features of data display.

• Plan a statistical investigation.
• Display data in dot plots, strip graphs and bar charts.
• Discuss features of data display using middle, spread, and outliers.

• Plan a statistical investigation using the PPDAC cycle.
• Choose an appropriate data display (bar graph, dot plot, time series graph).
• Make statements about the findings of the investigation.

• Pose investigative questions for statistical enquiry.
• Plan for data collection.
• Collect data.
• Display collected data in an appropriate format.
• Describe data collected referring to evidence in displays.
• Make statements about implications or possible actions based on the results of an investigation.
• Make conclusions on the basis of statistical investigations.

• Recognise what the variables are in a secondary data set.
• Sort the given data into categories.
• Answer investigative questions by sorting, organising and arranging data.
• Make sensible statements about the data with supporting evidence.

• Plan a statistical investigation to assess the reasonableness of a statement.
• Carry out a statistical investigation to assess the reasonableness of a statement.
• Check the reasonableness of answers obtained using a calculator by calculating mentally and using approximations.

• Interpret information from graphs.
• Make statements based on data shown on graphs.
• Identify the most suitable graph to show survey results.
• Construct graphs using Excel.

• Display collected data in an appropriate format.
• Produce bar charts of data using Microsoft Excel.
• Make statements about implications or possible events based on selected data.

S4-1
 

• Plan an investigation.
• Use spreadsheets to display and analyse data.
• Discuss features of data displays.
• Compare features of data distributions.

• design an investigation
• measure accurately using length and time
• record data in tables
• use scatter plot graphs to display paired numerical data

Paper Planes: Level 4

• Critically explore the validity of claims based on data.
• Evaluate the quality of survey items that are developed by others.
• Create survey items that align to a research question.
• Administer a survey, collate and display the data, and report findings.

• Plan an investigation.
• Use spreadsheets to display and analyse data.
• Discuss features of data displays.

• Construct a stable ramp to meet conditions.
• Follow and repeat a procedure to replicate exactly the same conditions (fair testing).
• 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.

• Identify an area of interest to investigate.
• Find data displays including graphs, tables, and non-traditional data representations, that can inform the investigation e.g. from websites and other sources.
• Explore the information behind the data displays to make sense of the data and use it to explore an area of interest.
• Interpret and use data displays.
• Discuss features of a data display.
• Communicate findings.

• Recognise variables and measures in an existing data set.
• Establish criteria and use these to sort data.
• Display data using dot plots and scatterplots for numeric data, and bar and pie charts for categoric data.
• Use graphs to make comparisons between groups.
• Justify conclusions based on data.

S5-1
 

• 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 investigation or improvements to their investigation.

• 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.

• Identify questions that can be answered using statistical data.
• Discuss the notion of ‘outlier’.
• Draw box and whisker plots.
• Compare two such plots.

S6-1
 

• 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 by finding mean, median, modes, range and interquartile range.
• Compare data about two variables by drawing graphs including back to back stem and leaf, box and whisker, scatter and composite bar graphs.
• 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.