Data Collection and Representation

Name:

Date:

📊 Part 1: Understanding Data and Graphs

1. What is the most important thing to include when collecting measurement data?

Using bright colours

Recording the correct units (cm, kg, °C)

Writing very small

Using a calculator

2. Which of these are good types of graphs for showing measurement data? (Tick all that apply)

Bar graph

Dot plot

Pie chart

Line graph

3. When creating a graph, you must always include:

At least 5 different colours

A title and labelled axes

Your favourite number

Pictures of animals

4. Look at this data about student heights: 150cm, 148cm, 152cm, 150cm, 149cm, 150cm. What is the most common height?

Answer: _____________ cm

📋 Part 2: Working with Data Tables

5. Complete this data table showing how long it takes students to run 100 metres:

Student Running Times

Alex: 18 seconds, Sarah: 16 seconds, Jamie: 20 seconds, Kiri: 17 seconds

6. From the running data above, which student was the fastest?

Answer: _________________

7. What units should you use when measuring the temperature outside in New Zealand?

Answer: _________________

8. Explain why it's important to check your data for errors before making a graph:

📈 Part 3: Graph Creation and Analysis

9. Use the space below to create a bar graph showing favourite school subjects. Use this data: Maths (8 students), English (6 students), Science (10 students), Art (4 students).

10. Look at your graph from question 9. Write two things you notice about the data:

1. _________________________________________________

2. _________________________________________________

11. If you compared your graph with a friend's graph of the same data, what should be the same?

The colours used

The size of the paper

The heights of the bars

The type of pen used

12. Extension: Describe one way you could collect measurement data at home and what type of graph would be best to show it:

Data Collection and Representation

Data Collection and Representation

📊 Part 1: Understanding Data and Graphs

📋 Part 2: Working with Data Tables

📈 Part 3: Graph Creation and Analysis

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