Effective Communication of Data Insights PCAD-31 Practice Questions (Page 2)

Questions 6–10

1. 6application · medium

   A data analyst has completed an analysis of website traffic data. The dataset shows that page views increased by 50% after a recent site redesign, but the average session duration decreased by 20%. The analyst must present this to the web development team, whose goal is to improve user engagement. What is the most important key finding to highlight?

   • AThe redesign correlated with a 50% increase in page views but a 20% decrease in session duration, requiring further investigation into user engagement.
   • BPage views increased by 50%, indicating the redesign was successful.
   • CAverage session duration decreased by 20%, suggesting users are finding content faster or leaving sooner.
   • DThe site traffic data shows a change in user behavior after the redesign.
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2. 7foundation · easy

   An analyst concludes that a new marketing campaign increased sales. What is required to make this conclusion evidence-based?

   • ARelevant data from the analysis that shows a correlation between the campaign and sales, along with logical reasoning
   • BA logical argument based on the analyst's experience with similar campaigns
   • CA personal belief that the campaign was effective
   • DAn executive's approval of the conclusion
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4. 8application · medium

   A data analyst is presenting a recommendation to reduce the company's cloud computing costs. The analyst claims that switching to a different service provider will save 30% of the budget. To ensure the claim is supported by evidence-based reasoning, what should the analyst include in the presentation?

   • AA comparison chart of the current and proposed provider's pricing, along with a calculation showing the 30% savings based on the company's actual usage data.
   • BA statement of the analyst's professional opinion that the new provider is more cost-effective.
   • CA list of features offered by the new provider that are not available from the current one.
   • DA testimonial from another company that successfully reduced costs by switching providers.
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5. 9expert · hard

   A data analyst must present the same set of findings about a new product launch to two different audiences on the same day. The first audience is the product development team, which is interested in technical performance metrics. The second is the sales team, which is interested in customer feedback and market potential. The analyst has limited preparation time. What is the most efficient and effective strategy?

   • ACreate two separate presentations, each focusing on the metrics most relevant to the respective team, reusing the same core charts where appropriate.
   • BAsk each team to read the full report independently and hold a single Q&A session for both.
   • CPresent only the high-level summary to both groups to save time and avoid confusion.
   • DCreate one detailed presentation with all findings and present it to both groups, as the data is the same.
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6. 10foundation · easy

   What is the primary purpose of combining a visualization with a textual explanation in a data presentation?

   • ATo replace the need for the audience to read any of the data
   • BTo ensure the presentation is suitable for both technical and non-technical audiences simultaneously
   • CTo make the presentation longer and more detailed
   • DTo provide the audience with both a visual summary and the context or interpretation needed to understand it
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