Suppose that a defined population is all men who are 50 or younger, and a
survey is being conducted. which of these is an example of selection bias?

Given the following statements, which is the best

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

Which graph represents the equation y =4x