Y12 - Introduction to Statistics

Which of these is an example of data you encounter daily?

• Weather forecast

• Phone battery percentage

• Social media likes

• All of the above

What do you think statistics can be used for?

• Predicting weather

• Designing video games

• Analyzing sports performance

• All of the above

Which graph is best for showing the distribution of a single set of data?

• Bar Chart

• Histogram

• Pie Chart

• Line Graph

What is the primary purpose of statistics?

• To collect data

• To organize data

• To analyze and interpret data

• To visualize data

Which of the following best describes a "sample" in statistics?

• The entire population

• A small, selected group from the population

• A set of survey questions

• The data collected

Imagine you’re tasked with predicting the next winner of a reality TV show based on viewer votes. Which statistical method might you use to analyze past voting patterns?

• Descriptive Statistics

• Regression Analysis

• Hypothesis Testing

• Sampling

You read a headline claiming, “People who drink coffee daily are 20% less likely to develop heart disease.” What’s the first thing you would check to determine if this statistic is reliable?

• The source of the study

• The percentage of people who drink coffee

• The average age of the study participants

• The price of coffee

Which of these is a potential drawback of using a small sample size in a study?

• It might not represent the entire population accurately

• It’s too time-consuming to analyze

• It’s easier to identify patterns

• It costs more to collect

You are comparing two brands of the same product. One brand claims that 90% of its users are satisfied, while the other claims 85%. What might you consider before deciding which is better?

• The sample size of the survey

• The price of the product

• The advertising of each brand

• The brand’s reputation

A friend tells you that they always score higher in exams when they study with music. Which statistical concept would you use to investigate if this is truly the case?

• Correlation

• Mean

• Standard Deviation

• Median