📊 Part 1: Understanding Multivariate Data

1. What is multivariate data?

Data with only one variable

Data with more than one variable for each observation

Data that is always numerical

Data collected from multiple people

2. Which of these are examples of paired categorical data? (Tick all that apply)

Favourite sport and gender

Height in centimetres

Transport method and day of week

Favourite music type and social media platform

Temperature in Celsius

3. Why is context important when interpreting data?

It makes the data look more professional

It helps us understand what the data actually means

It makes calculations easier

It is not important

4. Complete this sentence: When collecting data ethically, we should consider _________________, _________________, and _________________.

📋 Part 2: Two-Way Tables and Context

Study this two-way table showing Year 8 students' preferred lunch and favourite subject:

Lunch Preference vs Favourite Subject
                    Maths   Science   English   PE
Packed Lunch        8         12          6         4
School Canteen       5          7          9        11
Buy Local Shop       3          4          8         5

5. How many students prefer PE and buy lunch from a local shop?

Answer: _____

6. Which lunch preference is most popular among Science students?

7. What pattern do you notice about packed lunch preferences across different subjects?

8. Write an investigative question about your school community using two categorical variables:

🤔 Part 3: Critical Thinking About Data Context

9. A survey shows "90% of students prefer online learning". List three context questions you should ask before accepting this claim:

10. Explain why the same data might tell different stories depending on how it's presented:

11. You want to collect data about "favourite weekend activities" and "age group" in your community. Describe one ethical consideration for collecting this data: