Question 1

A new product's first-month data shows a 40% trial rate, 15% conversion rate, and 8% churn rate. What can be concluded about the product's market fit from these metrics? (difficulty: medium)

Options :

A : The product has strong market potential but weak execution

B : The product has achieved product-market fit

C : The product needs significant repositioning

D : The product requires better customer onboarding

Answer: D

Question 2

In RFM analysis, what would be the most valuable customer segment if using a 5-point scale for each dimension (R, F, M)? (difficulty: easy)

Options :

A : 555

B : 111

C : 551

D : 155

Answer: A

Question 3

A retail company improved its inventory turnover from 4 to 6 times per year while maintaining the same sales level. What does this indicate about inventory management efficiency? (difficulty: medium)

Options :

A : The company needs more warehouse space

B : The company-s sales have increased

C : The company is holding less average inventory

D : The company-s carrying costs have increased

Answer: C

Question 4

A company's absenteeism rate shows that employees missed 1,200 workdays in a year. If the company has 200 employees working 250 days each annually, what is the absenteeism rate? (difficulty: hard)

Options :

A : 6%

B : 2.4%

C : 4.8%

D : 3.2%

Answer: B

Question 5

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