A new antibiotic has just been developed, and scientists wan…

A new antibiotic has just been developed, and scientists want to determine whether it is more effective than the current drug being used. They develop a study and divide 20 participants equally into Group A (the new antibiotic) and Group B (the current drug). They measure the average bacterial colony count (in thousands) after treatment with the different antibiotics. The average colony count for Group A is 5.4 thousand unit (standard deviation, s = 0.4) and the average colony count for Group B is 6.4 thousand unit (standard deviation, s = 0.5). Given the information provided, which statistical test would be used to analyze these data?

Ria needed to buy an airline ticket to visit her parents. Sh…

Ria needed to buy an airline ticket to visit her parents. She went to several websites to compare rates and chose a flight on Southwest Airlines because, for a similar price to other airlines, it had a better reputation for service. For Ria, this flight is an example of which type of product?