Specifying a problem, planning and collecting data

Processing and representing data

Interpreting and discussing results

Probability

Y9 Objectives

Resources

Suggest a problem and identify questions/conjectures

Discuss how data relates to problem and sources of data

Identify possible sources of bias and how to minimise

Plan/design survey/experiment to capture data

Design, trial and refine data collection sheets

Construct tables for large sets of raw data 

Design and use two-way tables

Gather data from specified secondary sources

Identify extra info. needed to pursue further enquiry

Y9 Objectives

Resources

Calculate and select appropriate summary values

Find the median for large data sets

P  stem and leaf

Estimate the mean for large sets of grouped data

Construct frequency polygons (ICT)

Use bar charts and frequency diagrams (ICT)

P  pie charts

Construct simple line graphs (ICT)

Construct scatter diagrams and discuss correlation (ICT)

W  Correlation

Identify the most appropriate representation of data

Identify the key features present in the data

Y9 Objectives

Resources

Interpret tables, diagrams and graphs - relate to problem

P   scatter diagrams

Analyse data to find patterns and exceptions

Look for cause and effect and try to explain anomalies

Compare 2+ distributions using shape, range and average

Communicate interpretations/results of a statistical enquiry

Examine critically the results of a statistical enquiry

Y9 Objectives

Resources

Use vocabulary of probability

W  bags   W  probability words

Know sum of probabilities of m.e. outcomes is 1 or 100%

W  P  P  P  W  probability line

Identify all mutually exclusive outcomes of an experiment

W  Probability cards

Estimate probabilities from experimental data

Understand relative frequency as an estimate of probability

Compare experimental and theoretical probabilities

Appreciate difference between explanation and evidence