GMAT Focus EditionData InsightsMedium
A product development team is evaluating two new features, Feature A and Feature B, for an upcoming software release. They conducted a user survey asking about desirability and ease of use. The results are summarized in the table below: | Feature | Desirability Score (1-5) | Ease of Use Score (1-5) | Number of Users Surveyed | |---|---|---|---| | Feature A | 4.2 | 3.8 | 200 | | Feature B | 3.9 | 4.5 | 250 | The team defines 'overall user satisfaction' as the product of the Desirability Score and the Ease of Use Score. They want to know which feature has a higher overall user satisfaction score. Which feature has a higher overall user satisfaction score, and what is that score (rounded to two decimal places)?
- AFeature B, 17.55
- BFeature B, 17.00
- CFeature A, 15.96
- DFeature A, 16.50
Show answer & explanationAnswer & explanation
Correct answer: A. Feature B, 17.55
To find the overall user satisfaction score for each feature, multiply its Desirability Score by its Ease of Use Score. Then compare these products.
Why the other options are wrong
- B. Feature B score is 17.55, not 17.00. This option is incorrect.
- C. Feature A: 4.2 * 3.8 = 15.96. This is not the highest. This option is incorrect.
- D. Feature A score is 15.96, not 16.50. This option is incorrect.
Product Calculation
A product calculation involves multiplying two or more numbers together to find their product, often used to combine different metrics into a single score.
- The result of multiplication is called the product.
- Used in various fields, including scoring systems, area calculations, and financial modeling.
- Different from a sum (addition) or a ratio (division).
Memory trick: When scores multiply, the impact grows quickly.