Which of the following best defines the role of a data analyst in an organization?
A data analyst at a bank is tasked with developing a credit scoring model to assess loan applicants' eligibility. Which of the following statistical met...
Which of the following forecasting methods would be most suitable for a time series that exhibits both a long-term trend and seasonality?
In OOP, what term best describes the relationship where one object is a part of another but cannot exist independently?
Which method helps to reduce bias when creating a sample from a population for analysis?
Why is metadata critical for managing large datasets?
Which of the following is an example of metadata in a database?
What is the result of the following SQL query?
SELECT department, COUNT (employee_id)
FROM employees GROUPBY department HAVING COUNT (e...Which Business Intelligence tool is renowned for its interactive dashboards and visualization capabilities, commonly used in corporate reporting and dat...
In R, which function is used to perform a t-test for comparing the means of two independent samples?
