A retail website is testing two homepage designs to improve…

A retail website is testing two homepage designs to improve user sign-up rates. Version A features a standard product layout, while Version B highlights customer testimonials. Define a clear null hypothesis and alternative hypothesis for this A/B test. Identify the independent variable and the dependent variable. What is an extraneous variable in this scenario and how would you address these? How will you decide which version to use?

You observe data where each row indicates an individual’s re…

You observe data where each row indicates an individual’s responses to a survey and there are two columns, one with how much the individual is willing to pay to have pizza delivered and the other with how much the individual is willing to pay for take-out pizza. What data structure does this correspond to? 

Executives at Frito-Lay have been disappointed at the perfor…

Executives at Frito-Lay have been disappointed at the performance of their sales force, so they have decided to restructure. Most of their sales are generated through large retailer partners who sell Frito-Lay products to consumers. According to the lecture, what type of sales force structure should Frito Lay consider?