Question 1

When analyzing a box plot in GMAT data interpretation, if the lower quartile is 20, median is 25, and upper quartile is 40, what does this tell us about the data's distribution? (difficulty: hard)

Options :

A : The data is normally distributed

B : The data is positively skewed

C : The data is negatively skewed

D : The data is bimodal

Answer: B

Question 2

In capacity planning, what does a steady increase in the ratio of peak-to-average demand over historical periods typically indicate? (difficulty: hard)

Options :

A : Improved capacity utilization

B : Growing volatility in demand patterns

C : Declining overall demand

D : Seasonal adjustment success

Answer: B

Question 3

When analyzing a decision tree for a business problem, what does a high information gain ratio at a particular split indicate? (difficulty: medium)

Options :

A : The split creates highly imbalanced child nodes

B : The split is based on irrelevant features

C : The split effectively separates different classes

D : The split creates too many child nodes

Answer: C

Question 4

A company's revenue grows by 20% while its profit margin decreases by 5 percentage points. If initial revenue was $1,000,000 with a 25% profit margin, what is the new profit amount? (difficulty: hard)

Options :

A : $240,000

B : $200,000

C : $300,000

D : $180,000

Answer: A

Question 5

In sales funnel analysis, which metric best indicates the efficiency of your sales process when comparing the performance of different months? (difficulty: hard)

Options :

A : Total number of leads

B : Marketing spend

C : Average time to conversion

D : Number of sales representatives

Answer: C

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