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Population, sample, and good data

Population, sample, and good data

Population shown as a large group, sample as a highlighted subset, strata boxes, and a numbered list with every fifth member selected from a random start

In statistics, the population is the whole group we want information about, while a sample is the smaller group we actually collect data from. A census means collecting data from every member of the population.

Data Collection Lesson

  1. AS Level
  2. /Maths
  3. /Data Collection

Step-by-step lessons covering Edexcel AS Level Maths Data Collection for AS Level Maths. Each lesson breaks down 1.1 Populations and Samples, 1.2 Sampling, 1.3 Non-Random Sampling, 1.4 Types of Data, and 1.5 The Large Data Set, then works through exam-style questions in Paper 1 and Paper 2 format. Build fluency in the core algebra, surds and trigonometry topics early, since they underpin the calculus, statistics and mechanics content that follows.

Lessons

Algebraic ExpressionsGraphs and TransformationsStraight Line GraphsThe Binomial ExpansionTrigonometric RatiosVectorsIntegrationExponentials and Logarithms