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Free CBDA Practice Questions

10 free, exam-style Certification in Business Data Analytics (CBDA) practice questions with answers and explanations. No signup required. Work through them below, then take the full free CBDA practice test to study every exam domain.

Question 1

A subscription streaming company sees a sudden spike in monthly cancellations. Before deciding how to respond, the analytics team first wants to understand the factors driving the increase. Which type of analytics BEST addresses this objective?

  1. Descriptive analytics
  2. Diagnostic analytics
  3. Predictive analytics
  4. Prescriptive analytics
Show answer & explanation

Correct answer: B - Diagnostic analytics

Question 2

A business analyst is assigned to a new initiative. A stakeholder hands over a large dataset and asks the analyst to 'find something useful in it.' What should the analyst do FIRST?

  1. Define the business need driving the request
  2. Clean and prepare the dataset for analysis
  3. Select a predictive model that fits the data
  4. Build a dashboard so stakeholders can explore the data
Show answer & explanation

Correct answer: A - Define the business need driving the request

Question 3

While preparing data, an analyst finds the same customer's region recorded as 'NY' in the CRM system and 'New York' in the billing system. Which data quality dimension does this issue MOST directly represent?

  1. Accuracy
  2. Completeness
  3. Consistency
  4. Uniqueness
Show answer & explanation

Correct answer: C - Consistency

Question 4

A telecommunications company wants to predict whether each customer will churn (leave) or stay during the next month. Which modeling technique is MOST appropriate for this outcome?

  1. Linear regression
  2. K-means clustering
  3. Time-series decomposition
  4. Logistic regression
Show answer & explanation

Correct answer: D - Logistic regression

Question 5

An analyst finds a strong positive correlation (r = 0.86) between ice cream cones sold and reported sunburns in a coastal city. Which conclusion is MOST appropriate?

  1. Buying ice cream increases the risk of sunburn
  2. The variables move together but may share a common cause
  3. Reducing ice cream sales would likely lower the sunburn rate
  4. There is no meaningful relationship between the two variables
Show answer & explanation

Correct answer: B - The variables move together but may share a common cause

Question 6

A product manager wants ONE visualization comparing 15 products across three measures at once: development cost (x-axis), projected revenue (y-axis), and market risk. Which chart is MOST appropriate?

  1. Stacked bar chart
  2. Scatter plot
  3. Bubble chart
  4. Line chart
Show answer & explanation

Correct answer: C - Bubble chart

Question 7

An analyst must open an executive presentation with a single sentence that captures the entire message, including the recommended action. This data storytelling technique is known as:

  1. The 3-Minute Story
  2. Exploratory data analysis
  3. The elevator pitch
  4. The Big Idea
Show answer & explanation

Correct answer: D - The Big Idea

Question 8

A model is statistically valid and highly accurate, but its output does not address the specific decision the executive sponsor needs to make. What should the business analyst do?

  1. Realign the analysis with the business need
  2. Present the results because the model is statistically sound
  3. Deploy the model and let stakeholders adapt the output themselves
  4. Improve the model's accuracy before presenting it
Show answer & explanation

Correct answer: A - Realign the analysis with the business need

Question 9

An analysis points to three possible solutions, each with different costs, benefits, and risks. Before recommending one to leadership, what should the analyst do?

  1. Recommend the lowest-cost option to protect the budget
  2. Recommend the option that is fastest to implement
  3. Evaluate and rank the options against agreed criteria
  4. Let leadership choose without an analyst recommendation
Show answer & explanation

Correct answer: C - Evaluate and rank the options against agreed criteria

Question 10

An organization struggles because 'customer' is defined and stored differently across its sales, support, and finance systems, producing conflicting reports. Which data management function MOST directly addresses creating a single, authoritative version of this core entity?

  1. Data governance
  2. Master data management
  3. Metadata management
  4. Data security
Show answer & explanation

Correct answer: B - Master data management

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