📊 Part 1: Understanding Time Series Data

1. What is time series data? Circle the best definition:

Data collected at a single point in time

Data collected over a period of time at regular intervals

Data that never changes

Data collected from different locations

2. Which of the following are examples of time series data in New Zealand? Check all that apply:

Daily temperature readings in Auckland

Monthly tourist arrivals to Queenstown

A single survey about favourite foods

Weekly stock prices for Fonterra

Annual population growth in Wellington

3. Give your own example of time series data that could be collected in New Zealand:

🔄 Part 2: The PPDAC Inquiry Cycle

4. Match each PPDAC phase with its correct description:

1. Problem

2. Plan

3. Data

4. Analysis

5. Conclusion

A. Collecting the information needed

B. Deciding what question to investigate

C. Drawing insights from the results

D. Examining patterns and trends

E. Deciding how to gather information

5. Fill in the blanks about the PPDAC cycle:

The PPDAC cycle helps us conduct statistical ____________. It starts with identifying a ____________ or question we want to investigate. Next, we create a ____________ for how we will collect our data. Then we gather the ____________ we need. After that, we ____________ the data to look for patterns. Finally, we draw ____________ from our findings.

🌡️ Part 3: Applying PPDAC to New Zealand Climate Data

6. Imagine you want to investigate: "Has the average temperature in Christchurch increased over the past 20 years?"

a) What PPDAC phase does this question represent?

Problem

Plan

Data

Analysis

b) For the PLAN phase, describe how you would collect this data:

c) What type of DATA would you need to collect?

d) In the ANALYSIS phase, what patterns might you look for in a graph of this data?

📈 Part 4: Identifying Trends and Patterns

7. Draw a simple time series graph showing an increasing trend over time. Label your axes:

8. Which of these words are commonly used when describing time series data? Check all that apply:

Trend

Pattern

Seasonal variation

Multiplication

Increasing

Decreasing

9. Think of a New Zealand business or industry. What time series question could you investigate using PPDAC?

🤔 Part 5: Reflection and Real-World Connections

10. Why is it important to analyse time series data in New Zealand? Give two reasons:

11. Complete this sentence: "Time series data helps us understand..."

12. What is one question you still have about time series data or the PPDAC cycle?

Time Series Introduction

Time Series Introduction

📊 Part 1: Understanding Time Series Data

🔄 Part 2: The PPDAC Inquiry Cycle

🌡️ Part 3: Applying PPDAC to New Zealand Climate Data

📈 Part 4: Identifying Trends and Patterns

🤔 Part 5: Reflection and Real-World Connections

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