Question 1

When performing stepwise regression for variable selection, what is the primary limitation that needs to be considered? (difficulty: hard)

Options :

A : It always selects the best possible model

B : It can lead to biased parameter estimates due to multiple testing

C : It requires a larger sample size than traditional regression

D : It only works with continuous variables

Answer: B

Question 2

In psychographic segmentation, which combination of characteristics would most likely indicate an 'early adopter' consumer segment? (difficulty: hard)

Options :

A : High income and urban location

B : Risk-averse and traditional values

C : Innovation-oriented and status-seeking

D : Price-sensitive and practical

Answer: C

Question 3

Which psychographic segmentation approach would be most effective for identifying potential GMAT test-takers who are likely to upgrade to premium services? (difficulty: hard)

Options :

A : Geographic location analysis

B : Past purchase behavior analysis

C : Analysis of aspirations, career goals, and perceived value of investment

D : Age and income level assessment

Answer: C

Question 4

When analyzing KPIs for a retail business, what would a consistently increasing Cost of Customer Acquisition (CAC) coupled with decreasing Customer Lifetime Value (CLV) most likely indicate? (difficulty: hard)

Options :

A : The business is experiencing healthy growth

B : The marketing strategy is highly effective

C : The business model may be unsustainable

D : The business is targeting the right customer segment

Answer: C

Question 5

When analyzing a GMAT data sufficiency question about market share percentages, what is the correct approach when both statements provide contradictory information? (difficulty: hard)

Options :

A : Average the values from both statements to find the answer

B : Choose the statement that seems more logical

C : Consider the question unsolvable and select 'statements (1) and (2) together are not sufficient'

D : Use only Statement (1) as it appears first

Answer: C

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