Data Analysis Phases Pre-Test

Which of the following questions would primarily be answered by Historical (Descriptive) Analysis?

• Why did our customer acquisition cost increase last quarter?

• What is the average daily website traffic we experienced last month?

• Which marketing campaign should we launch to maximize conversions?

• How many new customers are we likely to acquire next quarter?

A company notices a significant drop in product sales in a specific region. To understand why this happened, which phase of data analysis would be most appropriate to conduct next?

• Predictive Analysis

• Prescriptive Analysis

• Historical Analysis

• Diagnostic Analysis

Your team is asked to determine which existing customers are most likely to cancel their subscriptions within the next three months. This task falls under which phase of data analysis?

• Historical Analysis

• Diagnostic Analysis

• Predictive Analysis

• Prescriptive Analysis

After identifying that customers in a certain demographic segment are at high risk of churning, the next step is to recommend specific, actionable strategies to retain them. This recommendation phase is known as:

• Historical Analysis

• Diagnostic Analysis

• Predictive Analysis

• Prescriptive Analysis

Which statement best describes the relationship between Exploratory Data Analysis (EDA) and the four phases of data analysis?

• EDA is only performed once, at the very beginning of any data analysis project.

• EDA is primarily used for generating final reports in the Prescriptive Analysis phase.

• EDA is a foundational and iterative process that supports and informs all four phases of data analysis.

• EDA is a standalone process and has no direct connection to the different phases of analysis.