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Mathematics · Grade 10

Questions, Variables and Data

Learners begin the statistics elective by asking questions that data can answer. They identify individuals and variables, classify variables, summarize categorical data with frequencies and displays, analyze two-way tables with marginal, joint and conditional relative frequencies, judge whether two variables are associated, and consider the ethics of collecting and sharing data.

  • 4 lessons
  • About 130 minutes
  • Questions, variables and data check: 11 questions
  • Ways to answer: choose an answer, highlight a text, match pairs, type a number, sort into groups and true or false
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What learners will discover

  • Distinguish statistical questions and classify variables as categorical or quantitative (discrete or continuous).
  • Summarize and display categorical data with frequencies, relative frequencies and bar charts, avoiding misleading displays.
  • Compute marginal, joint and conditional relative frequencies from two-way tables and use them to judge association.
  • Identify ethical and privacy issues in collecting, storing and reporting data.

Lessons

  1. Statistical questions and variables 5 steps3 practiceabout 30 min
  2. Summarizing categorical data 5 steps2 practiceabout 30 min
  3. Two-way tables and association 5 steps3 practiceabout 40 min
  4. Data ethics and privacy 5 steps3 practiceabout 30 min
  5. Questions, variables and data check 11 questions at the end

Keep exploring

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Guide for grown-ups