Which best describes the relationship between product weight and review score in the scatterplot?

A retail analyst finds a positive correlation between holiday decorations in stores and monthly revenue. Why is it problematic to conclude that decorations are the sole cause of the revenue increase?

A tech support center models call resolution time based on the number of open tickets assigned to the agent: Resolution Time = 8 + ( 2.2 x Open Tickets ) What is the predicted resolution time if an agent has 5 open tickets?

An HVAC company predicts energy savings (in dollars per month) using this regression equation: Savings = 30 + ( 1.8 x Insulation Thickness ) + ( 0.6 x Window Quality Score ) What is the predicted energy savings for 5 inches of insulation and a window score of 8?

A wellness startup launches a meditation app aimed at busy professionals who feel overwhelmed and want more balance in their lives. What type of market segmentation is being used?

Which best describes the relationship between training hours and error rate?

An online bookstore tracks the shipping cost for orders sent to different regions:  $3.95, $5.20, $7.15, $4.10, $6.80. What is the range in shipping costs? (Don’t include a dollar sign.)

A customer service manager is tracking the number of support tickets submitted daily for the past three months. They want to identify any trends to help with staffing decisions. Which chart would be most appropriate?

A housing analyst is reviewing and cleaning sales data using this code. What number will this code print?

A beverage company wants to understand how much soda customers consume weekly. They randomly sample 1,000 people from across the U.S. The average consumption is 3.2 liters. Another random sample gives an average of 2.8 liters. What best explains this difference?