Name: IIBA Certification in Business Data Analytics Exam
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Free IIBA Certification in Business Data Analytics Exam Actual Questions

Note: Premium Questions for Certification in Business Data Analytics were last updated On May. 10, 2024 (see below)

Question #1

A marketing department has established an analytics team. The analytics practice is stand-alone and analysts have limited insights into corporate strategy. Which is an expected result for analytics practices operating at the business unit level?

AAnalytics work will be driven by the organization's business plan

BInsights derived from data analysis will be used to guide strategic decisions

CThe analytics team may conduct analysis that is of minimal value to the organization

DThe organization will use analytics as a means to obtain a competitive advantage
Explanation:
According to the IIBA Guide to Business Data Analytics, analytics practices operating at the business unit level are characterized by a lack of alignment with the organization's strategic objectives, a limited scope of analysis, and a siloed approach to data and insights1. This can result in analytics work that is not relevant, timely, or impactful for the organization as a whole, and that may not address the most critical business problems or opportunities.Therefore, the analytics team may conduct analysis that is of minimal value to the organization, or even detrimental if it leads to suboptimal decisions or actions.

Reveal Solution

Correct Answer: C

Question #2

DIAGRAM TAKEN

Customer Satisfaction

120%

100%

80%

AThe 2018 customer satisfaction rate is at 90%. between good and excellent, and exceeded its target of 70%

BThe 2018 customer satisfaction rate is at 90%. between good and excellent

CThe 2018 customer satisfaction rate was fair, at 70%, and did not reach its target of 90%

DThe 2018 customer satisfaction rate is at 90%. between good and excellent, while the 2017 customer satisfaction rate was at 70%
Explanation:
A bullet chart is a type of bar chart that shows progress towards a goal or performance against a reference line1.It consists of a bar representing the featured measure, a reference line denoting a target or threshold, and a background with qualitative ranges (such as poor, fair, good, excellent)2. In this case, the featured measure is the customer satisfaction rate for 2018, the reference line is the target of 70%, and the background ranges are 0-50% (poor), 50-70% (fair), 70-90% (good), and 90-120% (excellent). The chart also shows a thin black bar representing the customer satisfaction rate for 2017, which can be used for comparison. From the chart, we can see that the 2018 customer satisfaction rate is at 90%, which falls in the excellent range and exceeds the target of 70%. We can also see that the 2017 customer satisfaction rate was at 70%, which falls in the good range and meets the target.Therefore, the correct answer is D, as it summarizes both the 2018 and 2017 customer satisfaction rates and their relation to the target and the ranges.

Reveal Solution

Correct Answer: D

Question #3

A data scientist is analyzing a dataset to determine if there is a strong relationship between two variables. A measure of covariance is done. Which of the following graphs indicate Zero Covariance between variables?

Reveal Solution

Correct Answer: C

Covariance measures the directional relationship between the returns on two assets. A positive covariance means that asset returns move together while a negative covariance means they move inversely. Zero covariance indicates that the returns on the two assets move independently of each other. In the context of a scatter plot, zero covariance is represented by a plot where the points do not show any upward or downward trend but are rather scattered randomly on the graph with no discernible pattern.

Graph 4 displays such a pattern where there is no apparent relationship between the variables on the x and y axes, indicating that there is zero covariance between them.

Question #4

A real estate broker is tracking monthly sales between two of its teams. The results have been visualized using a Treemap chart. What is the advantage of using a Treemap chart, over a Sunburst chart to visualize the results?

AWith its colour scheme, it is easy to compare the variables within a Treemap

BWith its rectangles and straight lines, a Treemap is optimized to include more

CA Treemap is meant to represent a hierarchical result set as opposed to a Sunburst chart

DA Treemap shows all the hierarchical levels of data as opposed to a Sunburst chart
Explanation:
A Treemap chart is a type of chart that displays hierarchical data as a set of nested rectangles, where the size and color of each rectangle represent a quantitative value and a categorical variable, respectively1.A Sunburst chart is a type of chart that displays hierarchical data as a set of concentric circles, where the size and color of each slice represent a quantitative value and a categorical variable, respectively2. Both charts are useful for visualizing hierarchical data structures, but they have different advantages and disadvantages.One advantage of using a Treemap chart over a Sunburst chart is that a Treemap chart is optimized to include more data points, as it uses a Cartesian coordinate system that fills the entire rectangular space of the chart area, whereas a Sunburst chart uses a polar coordinate system that leaves empty spaces in the corners of the chart area3. This means that a Treemap chart can display more levels of hierarchy, more categories, and more details than a Sunburst chart, without compromising readability or clarity.Therefore, the correct answer is B, as a Treemap chart is optimized to include more data than a Sunburst chart.

Reveal Solution

Correct Answer: B

Question #5

Reveal Solution

Correct Answer: C

Graph 4 displays such a pattern where there is no apparent relationship between the variables on the x and y axes, indicating that there is zero covariance between them.

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