A BBC News article is titled “Short Workers Lose Small Fortune.” The article says that each inch of height added USD $789 to annual pay. Professor Tim Judge from the University of Florida, who led the study described in the article, suggested that the reason for this was evolution. He is quoted as saying: “When humans evolved as a species and still lived in the jungles or the plain, they ascribed leader-like qualities to tall people because they thought they would be better able to protect them.”What conclusions can be justified from this kind of a study, assuming it was done in a statistically correct manner?
Answer to relevant QuestionsQuality control is very important in manufacturing. Several times during the week, a paint company records the number of dented cans in a random sample of30 paint cans from the filling line. What kind of data are these? A financial services company conducted a survey of a random sample of its customers. One of the items on the survey was as follows:"The staff at my local branch can provide me with good advice on my financial ...An economist wants to study the relationship between household income and monthly spending on restaurant meals. Data are collected from a random sample of households. Create an appropriate graph of the data, and comment. Is the graph shown in Exhibit 2.83 an interesting one? Explain why or why not. The type of payment method used was recorded for a random sample of 100 customers from four different store locations. The data are shown below in Exhibit 2.91. Create an appropriate graphical display to summarize the data, ...
Post your question