A restaurant chain is evaluating three suppliers of lettuce for quality, measured by spoilage rate. After collecting data from 10 shipments per supplier, an ANOVA test gives a p-value of 0.18. What should the procurement team conclude?

An HR manager wants to count how many employees worked a certain number of hours. What will this code print?

In a product catalog, only one product can be randomly featured per day. The probability that it is a printer is 0.15. The probability that it is a monitor is 0.25. What is the probability that it is either a printer or a monitor? (Enter a decimal value.  For example, you would use .35, instead of 35%.)

A customer service team stores three priority levels in a variable. What data structure does this represent?

A mobile app team analyzes the correlation between daily time spent in the app and user retention after 30 days. The correlation coefficient is 0.46. How should this correlation be interpreted?

Which of the following drugs is a phenothiazine tranquilizer most commonly used as a premedication in small animal practice?

A company tracks the correlation between delivery speed (in hours) and customer satisfaction score. The correlation coefficient is –0.58. Which interpretation is most accurate?

A brand manager is estimating the probability that a new product launch will exceed sales targets. Which estimate violates a basic rule of probability?

A clinic pilots a new scheduling system and gathers feedback from just 9 patients. They want to report a margin of error around the average satisfaction score. How does bootstrapping help in this case?

What combination of drugs is in a neuroleptanalgesic cocktail?