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A bike shop estimates monthly maintenance cost based on the number of bikes serviced: Maintenance Cost = 200 + ( 12.5 x Number of Bikes ) What is the predicted cost for servicing 40 bikes in a month?

A premium skincare company partners with Sephora and Ulta to sell its products in physical stores across the country instead of just online. What element of the marketing mix does this represent?

Which immune cell is best at attacking cancer cells?

A clothing manufacturer accidentally prints the wrong size labels on thousands of shirts. The mistake is caught during final inspection, and the shirts are reworked before being sent to stores. What is the best example of a visible cost in this scenario?

A logistics team is using linear algebra to ensure that its routing matrix has a unique solution, allowing trucks to be routed efficiently between warehouses. They use the following code, which results in this output: -8.0. What does the result suggest?

A software company wants to compare the average monthly revenue generated by each of its customer segments. Which chart is most appropriate for this comparison?

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?

A logistics coordinator creates a new column to calculate delivery speed. What will this code print?

A product analyst wants to check how often each product category appears in a dataset. What will this code print?

A streaming platform wants to prove that its new subscription model has lowered the churn rate below the industry average of 6%.  A random sample of churn rates from 15 test markets is collected, and the following code produces a p-value of 0.001. Based on this test result, their churn is still the same as the industry average.