Business Statistics

Summarise data and judge the strength of numerical evidence. You will distinguish a population from a sample, choose appropriate summaries and interpret uncertainty. Business examples cover demand, customer service, workforce information and variation in operating performance.

Learning outcomes

• Select an appropriate data summary
• Interpret a confidence interval
• Explain limits of a correlation

Main topics

• Sampling
• Descriptive statistics
• Probability distributions
• Confidence intervals
• Hypothesis testing
• Correlation and regression

Practical task

Analyse an anonymised service dataset and write a short evidence report.

Assessment

Assessment combines applied exercises, a documented case or practical portfolio and an individual written or oral explanation. Judgement considers technical accuracy, reasoning, evidence quality and the feasibility of recommendations.