MCQs on Research Data Analysis

What is the primary goal of Exploratory Data Analysis (EDA)?

• Predict future outcomes

• Visualize model accuracy

• Understand data patterns and structure

• Encrypt sensitive data

Which of the following is a common visualization used in EDA?

• Confusion Matrix

• ROC Curve

• Box Plot

• Neural Network Diagram

Which summary statistic measures the spread of data?

• Standard Deviation

• Mean

• Mode

• Median

What is predictive data analysis primarily used for?

• Cleaning missing data

• Visualizing variables

• Forecasting and future predictions

• Hypothesis writing

Which tool is commonly used for EDA in Python?

• Hadoop

• Unity

• Pandas

• Android Studio

In predictive analysis, what is used to estimate future values based on past data?

• Pie Chart

• Regression Model

• Frequency Table

• Pivot Table

What type of analysis is best to detect outliers?

• Exploratory Data Analysis (EDA)

• Predictive Analysis

• Cluster Analysis

• Time Series Analysis

Which of the following is a classification algorithm?

• Linear Regression

• Time Series Forecasting

• Decision Tree

• Histogram

What does a correlation coefficient close to +1 indicate?

• Strong positive linear relationship

• No relationship

• Strong negative relationship

• No linearity

Which metric is commonly used to evaluate regression models?

• Accuracy

• Recall

• Mean Squared Error (MSE)

• F1 Score