A new synthetic feed additive is found in an experiment to accelerate the growth of hogs sufficiently to reduce the “time to market” by 10%. Should it be added to the feed? May 20, 2022 Read More »
Dice are small cubes, held in the hand and then dropped or thrown on a flat surface, as part of a game. May 20, 2022 Read More »
A company offers a cloud-sharing service aimed at consumers, including a free level of service to all, as well as higher paying levels. May 20, 2022 Read More »
The “churn” rate in a subscription business is that rate at which subscribers leave in a given time period. May 20, 2022 Read More »
A web manager for a retail merchant tests two different presentations of a product to determine whether there is a difference in the length of time that people stay on that product page. May 20, 2022 Read More »
Have you ever wondered, when you weigh yourself on a scale, how the scale is calibrated? May 20, 2022 Read More »
A web-based real-estate information and valuation site wants to determine whether it will be worth it to expend time and money to implement a more sophisticated modeling system to estimate home values. May 20, 2022 Read More »
Given the three possible causes of a spike in favorable ratings (restaurant campaign, actual customer sentiment, and random variation) and discuss the role of a hypothesis test in distinguishing among the three causes. May 20, 2022 Read More »