IIBA CBDA Certification in Business Data Analytics (IIBA – CBDA) Online Training
IIBA CBDA Online Training
The questions for CBDA were last updated at Feb 13,2025.
- Exam Code: CBDA
- Exam Name: Certification in Business Data Analytics (IIBA - CBDA)
- Certification Provider: IIBA
- Latest update: Feb 13,2025
The marketing department for a major restaurant chain is interested in testing a Kids Eat Free campaign to determine if it will help to increase sales. They are interested in piloting the campaign to determine which day of the week will improve sales the most.
The campaign is launched across 7 cities with each city promoting a different day of the week. The sales data is collected and provided to a team for analysis.
What concern might the analytics team have regarding data quality across cities?
- A . Normality
- B . Heteroskedacity
- C . Linearity
- D . Variation
A call center has requested to review their sales conversion data for the month. The analyst working on this request is trying to identify the chart that will effectively present the data, which includes: the number of leads, the number of calls made, the number of calls completed, the number of customers interested and the number of sales.
What chart should the analyst use to show the values across each stage of the pipeline?
- A . Pie chart
- B . Funnel chart
- C . Bar chart
- D . Bullet chart
A government agency is conducting a study on the performance of 12th grade students’ in mathematics across the country. In particular, they want to understand if there is a relationship between intelligence and scores, as well as the difference in performance between various locations.
Which combination of inferential statistics procedures should be used?
- A . Range, standard deviation
- B . Mean, median
- C . Correlation co-efficient, analysis of variance
- D . Frequency distribution, time-series
A government agency is conducting a study on the performance of 12th grade students’ in mathematics across the country. In particular, they want to understand if there is a relationship between intelligence and scores, as well as the difference in performance between various locations.
Which combination of inferential statistics procedures should be used?
- A . Range, standard deviation
- B . Mean, median
- C . Correlation co-efficient, analysis of variance
- D . Frequency distribution, time-series
An organization’s customers are categorized based on the amount of purchases completed over the last 12 months. The analytics team would like to ensure the accuracy of their survey results and decide to randomly select 500 customers to participate in a survey from this large pool of customers.
This is an example of:
- A . Stratified sampling
- B . Quota sampling
- C . Purposive sampling
- D . Snowball sampling
The results of the data analytics work led to some clear and strongly supported outcomes and the analytics team is very confident in their recommendations; particularly given that the payback on the required changes are a short 3 months. However, there is concern because the organization operates in a highly regulated environment and some new regulatory changes are being considered with announcements and implementation in the next 6 months.
Under these conditions the team decides to:
- A . Recommend no action be taken at this time and revisit in 6 months
- B . Reassess their results to ensure their validity and then decide what to do
- C . Identify and carefully document assumptions for their recommendation
- D . Postpone recommendations for 6 months until the announcements are made
A colleague proposes measuring job satisfaction by asking the question "What is your salary?".
What is the concerning factor about this question?
- A . Validity
- B . Clarity
- C . Reproducibility
- D . Subjectivity
A marketing director has asked the question ‘How many product purchases are expected this coming year given the current marketing campaign?
What type of analytics would be performed to answer this question?
- A . Descriptive
- B . Predictive
- C . Diagnostic
- D . Prescriptive
An insurance company has seen an upward trend in winter-related accidents over the past three years. The company has just completed an analytics study to better understand the primary reasons for these accidents and assess how many of the drivers were using winter tires. This analysis will help the company decide how to move forward with drivers not taking precautionary measures during winter.
What type of analysis will help in determining the primary reasons and percentage of those drivers with winter tires?
- A . Prescriptive
- B . Descriptive and Predictive
- C . Descriptive
- D . Descriptive and Diagnostic
A Human Resource manager recently learned that their competitor reduced employee attrition rates by 20% after implementing personality tests as part of their screening process. Intrigued by the idea, the manager suggests collecting data on personality tests and attrition rates over the next year. The data from this year is then analyzed to explore possible relationships.
What type of analytics has the team been asked to perform?
- A . Predictive
- B . Descriptive
- C . Prescriptive
- D . Diagnostic