AS 92066 · 5 credits · Internal
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This standard asks you to investigate numerical data using statistical methods. You'll design and carry out investigations that involve analysing data (including bivariate data with two numerical variables), calculating summary statistics, creating appropriate displays, and using experimental probability. The focus is on learning how to manage the full investigation process properly and communicate your findings clearly.
What to do, grades and common mistakes
- ·Carry out a complete statistical investigation using numerical data, which may involve two related numerical variables
- ·Calculate and interpret summary statistics (like mean, median, range, quartiles) and create appropriate data displays with labels
- ·Use the full statistical investigation process: pose questions, plan data collection, collect data, analyse it, and write up your findings
- ·Identify patterns and features in the data (like spread, outliers, clusters) and explain what they mean in context
- ·Design and run an experimental probability investigation, compare your experimental results to theoretical probability, and discuss the impact of sample size
You complete a statistical investigation using the appropriate methods and display data clearly with proper labels, showing understanding of key terminology and explaining what your findings mean.