Statistics quiz

What is statistical observation primarily concerned with?

• a) Making predictions

• b) Giving opinions on data

• c) Initial data collection

• d) Data visualization

In the context of statistical observation, what is the purpose of measuring concrete parameters?

• a) To get a subjective understanding

• b) To make the data look more appealing

• c) To gather accurate and objective data on the object of interest

• d) To simplify the data collection process

In statistical observation, what does the term 'object of interest' refer to?

• a) The tool used for data collection

• b) The subject or entity being studied or observed

• c) The researcher conducting the study

• d) The final report of the study

1. Which type of data involves collecting information on different units at a single point in time?

• 1. a) Time series data

• 1. b) Cross-sectional data

• 1. c) Panel data

• 1. d) Longitudinal data

What type of data captures observations over regular intervals of time (over the years) for a single unit?

• a) Cross-sectional data

• b) Time series data

• c) Panel data

• d) Binary data

Which dataset combines features of both time series and cross-sectional data, observing multiple units over multiple time periods?

• a) Sequential data

• b) Cross-sectional data

• c) Time series data

• d) Panel data

If researchers were to study the annual GDP of a country over the past 50 years, which type of data are they using?

• a) Cross-sectional data

• b) Time series data

• c) Panel data

• d) Sequational data

A survey conducted on the reading habits of students from various schools in 2023 is an example of:

• a) Panel data

• b) Time series data

• c) Cross-sectional data

• d) Longitudinal data

Data that is collected on 100 companies over 5 years regarding their profits and expenses is an example of:

• a) Time series data

• b) Cross-sectional data

• c) Binary data

• d) Panel data

Which type of data would best suit a researcher studying the effects of policy changes over time on a particular group of individuals?

• a) Cross-sectional data

• b) Time series data

• c) Panel data

• d) Binary data