What's the data?
What type of data is "eye color"?
Categorical
What’s the probability of flipping heads on a fair coin?
50%
A study finds that 100% of 5 students love math. Can we generalize this?
No, the sample is too small and not representative
What’s wrong with a bar graph where the y-axis doesn’t start at 0?
It can exaggerate differences between values
Where do you see statistics used in sports?
Player performance, win probabilities, game analytics
What type of data is "height in inches"?
Quantitative (Continuous)
What’s the probability of rolling a 4 on a standard die?
1/6
A school claims 90% of students are happy. What question should we ask first?
How was the data collected? (e.g., survey method, sample size)
Why might a 3D pie chart be misleading?
It distorts proportions and makes comparison harder
How are stats used in social media platforms?
To track user engagement, personalize content, measure trends
In statistics, what does the word "population" mean?
The entire group of individuals or items being studied
What does it mean if two events are independent?
The outcome of one event does not affect the other
What is bias in data collection?
A systematic error that leads to inaccurate results
A graph shows only 2 weeks of data for a trend. What might be missing?
Long-term trends or variability over time
Why do doctors care about statistics?
To evaluate treatments, understand risk, and make medical decisions
What is a sample and how is it different from a population?
A sample is a subset of a population, used to make inferences about the whole
True or False: Probabilities can be greater than 1
False
Why might online surveys not be reliable?
They may not represent the full population and can have selection bias
Can data be technically correct but still misleading? How?
Yes, if it's cherry-picked or presented out of context
How might a company use statistics to sell a product?
By analyzing customer behavior and creating targeted ads
If you survey every 10th person entering a school, what kind of sample is that?
Systematic sample
If you draw two cards from a deck without replacement, are the events independent?
No, they are dependent because the first draw affects the second
What could go wrong if only students in clubs are surveyed about school spirit?
The results would be biased because the sample isn't representative
What should you always check before trusting a graph or chart?
Source, scale, labels, and whether it represents the whole picture
Can statistics be used to fight misinformation? How?
Yes, by using data to fact-check claims and reveal the truth