This week’s topics
Comparing organisational performance using historical financial data
- Starting point: reading time series graphs and comparing data sets
- Historical: audited accounts
- Financial audits
- Profitability ratios
- Liquidity ratios
What you will be able to do
- 3.1 Calculate financial ratios from a set of business accounts.
- 3.2 Compare organisational performance using historical financial data.
Activity
Start with this week’s 3 videos, then discuss how they apply to this week’s topic and note one example from a real business.
Study materials
Videos
- Interpreting time series graphs · Oak National Academy, Key Stage 4 (GCSE level) · for registered students
- Checking and securing understanding of interpreting graphs · Oak National Academy, Key Stage 4 (GCSE level) · for registered students
- Comparing data sets in context · Oak National Academy, Key Stage 4 (GCSE level) · for registered students
Further resources
- Introductory Business Statistics 2e, ch. 2.1: Display data · PDF · OpenStax (2023), comparing data sets; pp. 46–64 · for registered students
- Contemporary Mathematics, ch. 8.2: Misleading graphs · PDF · OpenStax (2023), the 'Misleading graphs' part of section 8.2 on how charts can distort trends; pp. 848–856 · for registered students
- Principles of Finance 2e, ch. 6.6: Profitability ratios · PDF · OpenStax (2026), profit as a percentage of sales; pp. 177–181 · for registered students
- Truncating the Y-Axis: Threat or Menace? · Open-access article · Correll et al. (2020), Proceedings of CHI 2020. Experiments showing how a cut-off y-axis exaggerates differences in bar and line charts. · for registered students
Materials marked “for registered students” open in the student portal, which is set up as soon as you receive final acceptance.