Time Series Analysis Quiz

What is the primary focus of univariate time series analysis?

• A single time series variable

• Multiple time series variables

• Data collected at irregular intervals

• Statistical methods for data cleaning

Which statistical method is used to forecast future values based on past values in univariate time series analysis?

• Structural equation modeling (SEM)

• Dynamic factor models

• Autoregressive integrated moving average (ARIMA)

• Vector autoregression (VAR)

What type of analysis focuses on multiple time series variables?

• Multivariate time series analysis

• Exponential smoothing

• Prophet modeling

• Univariate time series analysis

Which of the following is a common application of time series analysis in finance?

• Forecasting stock prices

• Predicting customer reviews

• Monitoring machine performance

• Tracking patient health

What is the purpose of exponential smoothing in time series analysis?

• To clean and prepare data

• To forecast future values

• To identify outliers in data

• To visualize data trends

Which method is developed by Facebook for forecasting?

• ARIMA

• Prophet

• VAR

• SEM

What is the first step in creating time series data?

• Determine the frequency of data collection

• Identify the variable(s) to track

• Clean and prepare the data

• Store the data in a database

Which type of chart is commonly used to show how a variable changes over time?

• Area chart

• Box plot

• Line chart

• Bar chart

What is the main goal of multivariate time series analysis?

• To analyze a single variable

• To identify relationships between multiple variables

• To visualize data trends

• To clean and prepare data

Which of the following is NOT a type of time series data mentioned?

• Customer feedback data

• Economic data

• Sensor data

• Sales data