Data Detective Inquiry Worksheet

Name:

Date:

Data detective with magnifying glass examining charts

🔍 Part 1: Planning Your Investigation

1. Our statistical question is: "Are our feet the same length?" What do you think the answer will be? Write your prediction below.

2. To answer this question ethically and accurately, which of these should we do? (Tick all that apply)

Ask permission before measuring someone's foot

Measure everyone's right foot for consistency

Use centimetres as our unit of measurement

Record our data carefully and check for errors

3. Complete our data dictionary:

Variable being measured: ________________________

Unit of measurement: ________________________

How we will measure: Place ruler at heel, measure to ________________________

📊 Part 2: Data Collection and Recording

4. Record the foot length measurements you collect (round to the nearest centimetre):

Data Collection Table

Person 1: _______ cm Person 2: _______ cm Person 3: _______ cm

Person 4: _______ cm Person 5: _______ cm Person 6: _______ cm

Your foot: _______ cm

5. Create a dot plot or frequency table using your class data in the space below:

6. Looking at your data visualisation, what do you notice about foot lengths in your class?

Most feet are exactly the same length

There is some variation in foot lengths

Foot lengths are completely different

🎯 Part 3: Analysis and Conclusions

7. Based on your data, answer the statistical question: "Are our feet the same length?" Use evidence from your data to support your answer.

8. Compare your conclusion with your original prediction from Question 1. Was your prediction correct? Why or why not?

9. What might be some reasons why people have different foot lengths?

10. If you could improve this investigation, what would you change to get better data?

Data Detective Inquiry Worksheet

Data Detective Inquiry Worksheet

🔍 Part 1: Planning Your Investigation

📊 Part 2: Data Collection and Recording

🎯 Part 3: Analysis and Conclusions

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