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Statistics Fundamentals Introduction

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Statistics Fundamentals Introduction

Statistics illustration with graphs and charts

📊 Part 1: Key Statistical Terms

1. Match each statistical term to its correct definition by drawing a line:
Population
Sample
Variable
Statistics
A smaller group selected from the population
The entire group being studied
A characteristic that can be measured or observed
The study of collecting and analysing data
2. Circle the best example of a population:

50 students from Year 11

All students at your school

10 teachers chosen randomly

Students in your maths class

3. Give one example of how you have seen statistics used in everyday life:

📈 Part 2: Types of Data

4. For each piece of data below, tick whether it is categorical or numerical:

a) Favourite colour: Red, Blue, Green, Yellow

Categorical

    Numerical

b) Height in centimetres: 165cm, 170cm, 158cm

Categorical

    Numerical

c) Type of transport to school: Bus, Car, Walk, Bike

Categorical

    Numerical

d) Number of siblings: 0, 1, 2, 3, 4

Categorical

    Numerical

5. Create your own example of categorical data that could be collected from your class:
6. Create your own example of numerical data that could be collected from your class:

🤔 Part 3: Statistical Thinking

7. A news report states: "80% of teenagers prefer pizza over burgers." What questions might you ask about this statistic to better understand it?
8. You want to find out the most popular subject at your school. Would you ask:

Only your friends

Students from every year level

Only Year 11 students

Only the teachers

9. Explain why your answer to question 8 would give the most reliable results:
10. Extension: Think of a statistical question you would like to investigate about your school or community. Write it below:

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