Data Collection Tools Answers

Name:

Date:

📊 Part 1: Survey Questions - Model Answers

1. Which survey question is written clearly?

What's your favourite colour and why do you like it more than others?

✓

What is your favourite colour?

Don't you think blue is the best colour?

Explanation: This question is simple, clear, and doesn't lead the person to a particular answer.

2. Complete this tally chart for "Favourite Pets" data:

Data collected: Dog, Cat, Dog, Fish, Dog, Cat, Bird, Dog, Cat, Fish

Dog: |||| I (6)

Cat: ||| (3)

Fish: || (2)

Bird: | (1)

3. What makes a good survey question? (Tick all that apply)

✓

It is easy to understand

✓

It doesn't lead people to a particular answer

It asks about two things at once

✓

It has clear answer choices

🔍 Part 2: Error Detection and Correction

4. Find and correct the errors in this data table:

Original data (with errors):

Favourite Sport Survey - 20 students asked

Rugby: 8, Football: 5, Netball: 4, Swimming: 6

Error found: The numbers add up to 23, but only 20 students were surveyed

Correction: Check the original data and recount. Possible corrected totals:

Rugby: 7, Football: 5, Netball: 4, Swimming: 4 = 20 students

5. What should you do if you find an error in your data?

Ignore it and continue

Guess what the correct answer should be

✓

Go back and check the original information or ask again

Delete the whole survey

6. List three ways to prevent errors when collecting data:

1. Double-check your counting and recording

2. Write clearly and ask questions in simple language

3. Make sure you record answers immediately while you remember them

💭 Part 3: Reflection Questions

7. Why is it important to collect accurate data?

Sample answer: Accurate data helps us make correct conclusions and fair decisions.

If our data has mistakes, our results will be wrong and we might make poor choices

based on incorrect information.

8. Describe one ethical rule to follow when collecting data from people:

Sample answers:

• Always ask permission before surveying someone

• Let people choose not to answer if they don't want to

• Keep people's answers private and confidential

• Be respectful and polite when asking questions

9. Which data collection tool would be best for finding out how many cars pass the school in one hour?

A survey asking people about cars

✓

Observation with a tally chart

A written questionnaire

Asking the principal

Explanation: Direct observation lets you count the actual cars as they pass, giving you accurate, real-time data.

Data Collection Tools Answers

Data Collection Tools Answers

📊 Part 1: Survey Questions - Model Answers

🔍 Part 2: Error Detection and Correction

💭 Part 3: Reflection Questions

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