📊 Part 1: Investigative Questions and Data Collection

1. Which of the following would make a good investigative question for a statistics project?

What is your favourite colour?

Is there a relationship between hours of study and test scores?

How tall are you?

Do you like pizza?

2. When collecting data ethically, you should consider: (Select all that apply)

Getting informed consent from participants

Protecting people's privacy

Only collecting data that supports your hypothesis

Ensuring data quality and accuracy

3. Write your own investigative question that could be answered using data from your classmates:

4. For your investigative question above, what variables would you need to measure?

Variable 1: _________________________

Variable 2: _________________________

📈 Part 2: Data Visualisation and Analysis

5. Match each type of data with the most appropriate visualisation:

Categorical data (favourite subjects)

One numerical variable (test scores)

Two numerical variables (height vs shoe size)

Scatter plot

Bar graph

Dot plot

6. When describing patterns in a scatter plot, which features should you look for?

Trends (positive or negative relationships)

Clusters of data points

Outliers (unusual data points)

The colour of the dots

7. A scatter plot shows the relationship between hours of sleep and test scores. If the points generally go from bottom-left to top-right, this suggests:

No relationship between sleep and test scores

More sleep is associated with higher test scores

More sleep is associated with lower test scores

The data is incorrect

8. Describe what you would look for when drawing a line of best fit on a scatter plot:

💬 Part 3: Communicating Statistical Findings

9. When presenting your statistical findings, you should include:

A summary of patterns found in the data

Comparison of your initial prediction with actual results

Only data that supports your original idea

Any limitations or concerns about your data

10. Imagine you investigated "Is there a relationship between time spent on social media and hours of sleep?" Write a brief conclusion based on finding that students who spend more time on social media tend to sleep fewer hours:

11. Why is it important to consider data quality and ethics when conducting statistical investigations?