Statistics Quiz

What is the primary purpose of studying statistics?

• To memorize formulas

• To make informed decisions and reduce uncertainty

• To avoid using data in decision-making

• To focus only on theoretical concepts

Which of the following best defines statistics?

• The study of numbers only

• The science of collecting, organizing, analyzing, and interpreting data

• The art of guessing outcomes

• The process of creating random data

What is a dataset?

• A single piece of information

• A collection of organized data

• A random set of numbers

• A method of analyzing data

Which of the following is an example of nominal scale data?

• Temperature in Celsius

• Gender

• Income

• Height

What distinguishes ordinal scale data from nominal scale data?

• Ordinal data can be ranked, while nominal data cannot

• Ordinal data is always numeric, while nominal data is not

• Ordinal data has equal intervals, while nominal data does not

• Ordinal data has a true zero point, while nominal data does not

Which scale of measurement has equal intervals but no true zero point?

• Nominal scale

• Ordinal scale

• Interval scale

• Ratio scale

Which of the following is an example of ratio scale data?

• IQ scores

• Temperature in Fahrenheit

• Height

• Education level

What is the main advantage of parametric methods?

• They work well with small samples

• They are less sensitive to outliers

• They can be used with any distribution

• They are suitable for ordinal data

Which type of data is collected at a single point in time?

• Time series data

• Cross-sectional data

• Longitudinal data

• Categorical data

What is an example of longitudinal data?

• A survey of voter preferences in 2024

• Tracking the economic growth of a country over 10 years

• A snapshot of student grades in a semester

• A survey of consumer behavior in 2023