GMAT Data Insights: Table Analysis 3

Question 1

A table lists employees with salary and years of service. To test 'the highest-paid employee also has the most years of service,' you should:

Accepted Answer

Sort by salary to find the top earner, then check that person's service years against the maximum

Answer

Identify the top earner, then verify their service equals the column maximum.

Question 2

A statement says 'no product had both high price and high return rate.' How is this best checked?

Accepted Answer

Sort by price, then within high-priced products confirm none also have high return rates

Answer

Filter to high-price rows and confirm the second condition fails for all of them.

Question 3

When a table column can be sorted ascending or descending, the range of that column is found by:

Accepted Answer

Subtracting the smallest value from the largest value

Answer

Range equals maximum minus minimum, both visible at the sorted ends.

Question 4

A claim states 'at least one country exceeds the average GDP shown.' Is this necessarily true?

Accepted Answer

Yes, unless all values are identical, some value must be above the mean

Answer

Unless every value is equal, at least one value lies above the average.

Question 5

To evaluate 'fewer than 25% of items are out of stock,' you would:

Accepted Answer

Count out-of-stock items and compare to one-quarter of the total items

Answer

Compare the qualifying count against 25% of the row total.

GMAT Practice Test