Final answer:
In mikesbikes, the preferred quality index for mountain bikes is the Retail Price. The Retail Price reflects the overall quality and features of the bike, as well as its brand value.
Step-by-step explanation:
In mikesbikes, the preferred quality index for mountain bikes is the Retail Price. The Retail Price reflects the overall quality and features of the bike, as well as its brand value. A higher Retail Price indicates a higher-quality mountain bike, while a lower Retail Price suggests a lower-quality bike.
However, it's important to note that the preferred quality index may vary depending on the target market and specific customer preferences. For example, some mountain bikers may prioritize factors like durability, suspension, or lightweight design, which would influence their perception of quality.
Ultimately, it's essential for companies like mikesbikes to conduct market research and understand their target audience's preferences to determine the most effective quality index for mountain bikes.