Select the odd group of numbers.(NOTE: Operations

Which of the following best explains the role of an independent variable in data analysis?

In R, which function from the ggplot2 package would be best suited for creating a scatter plot with different colors representing different categories?

In SQL, which of the following best describes the role of a subquery within a SELECT statement?

Which sampling technique is best suited for dividing a population into distinct subgroups and ensuring each subgroup is proportionally represented?

In a machine learning experiment, the company wants to predict future sales based on advertising spend. What is the dependent variable in this scenario?

Which data collection method is best suited for obtaining real-time data from a third-party application?

Given the following SQL query:

SELECT department _ id, COUNT(*) AS employee _ count

FROM employees

GROUP BY department_id

In Power BI, which feature allows the creation of dynamic and customized summaries of data by dragging and dropping fields into a table-like structure?

Which statistical method is most suitable for quantifying the strength and direction of a linear relationship between two continuous variables?

Deadlock prevention in operating systems can be achieved by ensuring which of the following conditions does NOT hold?