Which sampling technique is most appropriate when the population is naturally divided into groups that differ significantly from each other?
In a virtual memory system, a process requests a page that is not currently in memory, triggering a page fault. Which of the following is the most optim...
Which IoT communication protocol is lightweight and optimized for constrained devices?
Which of the following is an example of continuous data?
When identifying business problems, what is the first step a data analyst should take to ensure clarity and effectiveness in solving the problem?
Which of the following is the key difference between probability-based and non-probability-based sampling techniques?
A company notices a sudden spike in product returns during a specific quarter. Which type of analysis should be conducted to identify the root cause an...
Why is metadata crucial in the management of data?
In SQL, which of the following is the correct syntax for joining three tables—customers, orders, and products—where orders and products share the co...
Which of the following best describes the primary role of a data analyst within an organization?
