Which data transformation technique would be best for converting categorical variables, such as “Gender” (Male, Female), into a format usable in mac...
What is the primary objective of Exploratory Data Analysis (EDA) in a data analysis workflow?
Which of the following SQL operations is used to combine data from two or more tables based on a related column?
Which of the following statements about the mean, median, and mode is true when applied to a dataset with a skewed distribution?
Which method helps to reduce bias when creating a sample from a population for analysis?
A data analyst has generated insights on customer retention trends. To effectively communicate these insights, which of the following techniques would b...
In descriptive statistics, which of the following measures is least affected by extreme values (outliers)?
Which SOLID principle emphasizes that software entities should be open for extension but closed for modification?
Which of the following scenarios is best suited for web scraping as a data collection method?
Which of the following is a key difference between TCP and UDP in the transport layer of the TCP/IP model?