Data Science Quiz

Which method is used for discretization of continuous data?

• Binning

• Feature scaling

• Principal Component Analysis (PCA)

• One-hot encoding

What is the primary function of SAS OnDemand?

• Creating infographics

• Data visualization

• Performing statistical analysis and predictive modeling

• Managing databases

Which of the following is NOT a feature of Power BI?

• Machine learning model development

• Dashboard creation

• Business reporting

• Running deep learning models

Which type of data can be prefixed with "the number of".

• Continuous

• Nominal

• Discrete

• Ordinal

Which binning method ensures that each interval has the same range of values?

• Equal-width binning

• Rule-based binning

• Equal-frequency binning

• Cluster-based binning

Which of the following is NOT a stage of data preprocessing?

• Data Transformation

• Data Integration

• Data Encryption

• Data Cleaning

Which function in Pandas is used to remove missing values?

• df.remove_null

• df.fillna()

• df.drop()

• df.dropna()

Which of the following is a method of descriptive analytics?

• Predictive modeling

• Regression analysis

• Summary statistics

• Data clustering

What is the major limitation of Power BI compared to Python?

• Requires programming knowledge

• Does not support cloud computing

• Cannot create dashboards

• Limited support for advanced statistical modeling

Which of the following is an example of lossless data compression?

• MPEG

• MP3

• Huffman Coding

• JPEG