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IIBA CBDA - Certification in Business Data Analytics (IIBA - CBDA)

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Total 150 questions

While creating a dataset for analysis, the analyst reviews the data collected and finds a large percentage of records are missing values. Which activity would the analyst perform in order to use this dataset?

A.

Clustering

B.

Scale validation

C.

Weighting

D.

Factor analysis

A financial software company has growth and expansion as one of their top strategic priorities for the year. The senior executive team would like to assess their sales performance over the last 3 years to help set sales objectives. In discussion with the business analytics manager, for a comprehensive sales report, the sales lead recommends looking into the number of contracts signed over the past 3 years and the dollar value for the signed contracts. Which other question is important to consider when evaluating sales performance?

A.

What is the time to market the software?

B.

What is the total cost incurred per year?

C.

What is the number of customers retained over the past 3 years?

D.

What is the average time for conversion?

A company wants to gauge the thoughts of their employees towards a new company product. On the 25th of March the interviewer makes a list of all employees who were at work on that day and then chooses a subset of those employees to interview. Which term describes the list of all employees present on March 25th?

A.

Population of interest

B.

Survey sample

C.

Sampling frame

D.

Sample weights

To gain traction on online sales, a retailer initiated a marketing campaign using banner ads. The company has requested their analytics team to evaluate the performance of the campaign. During the presentation, the analyst confirmed that the campaign did bring in a large number of net new customers to the website and met the target sales conversion rate. They also noted that there was a high number of repeat visitors not completing a sale. What decision would help the retailer improve sales conversion rates for repeat visitors?

A.

Increase investment in banner ads

B.

Incentivize customers to subscribe to promotional notifications

C.

Add additional new products to attract customers

D.

Ensure the sales checkout process is streamlined

A software company launched a new product in late 2016. The product manager is reviewing a Box and Whisker plot used to compare year-over-year sales, from 2017 to 2018. What is the conclusion he can make from this chart?

A.

2017 minimum and maximum sales are higher than 2018, and the 2017 median result is

higher than the 2018 median result

B.

2017 minimum and maximum sales are higher than 2018, but the 2017 median result is

lower than 2018 1st quartile result

C.

2018 minimum and maximum sales are higher than 2017, and the 2018 quartile results are

higher than 2017 quartile results

D.

2018 minimum and maximum sales are higher than 2017, and the 2018 1st quartile is

higher than 2017 median result

An analyst is looking at a particular dataset that includes the scores across all 8th grade students, across three schools. The analyst is trying to determine which type of statistics average to use to best represent the results. On looking through the dataset, the analyst has identified a few extreme outliers. As a result, the analyst was led to use the following type of average:

A.

Median

B.

Range

C.

Mean

D.

Mode

The interplay between enterprise systems and data analytics can be envisioned at various layers. The layer that connects the business processes to data analytics is the:

A.

information layer

B.

physical layer

C.

technical layer

D.

infrastructure layer

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

With the recent departure of two of its employees, an IT helpdesk team is now understaffed and finding it difficult to keep up with the current workload. The number of tickets being received has increased as well as the number of days to resolve the tickets. The IT manager has set up a meeting with the IT director to request funding for two new helpdesk agents. To prepare for the

meeting, the manager is interested in showing the tickets processed against ticket volume over the past year. What type of chart should the manager use to effectively show the change in processing rate over time?

A.

A pie chart to compare the number of tickets coming in versus tickets being processed

each month, over the past year

B.

A column chart to compare the number of tickets coming in versus tickets being processed

each month, since June

C.

A line chart to show the widening gap between the number of tickets being processed

against the number coming over the past year

D.

A waterfall chart to show the number of tickets coming in are a lot higher than those being

processed as of year to date

An online retailer of men's athletic apparel is seeking to become the market leader in the industry. To deliver on this strategy, the analytics team continuously collects data on the prices of competitorproducts and uses this information to adjust the retailer's prices. What type of analytics is the retailer using to maintain their pricing structure?

A.

Descriptive

B.

Diagnostic

C.

Predictive

D.

Prescriptive