In the figure below, what do the two red lines represent?

Exhibit: Based on the histogram below of 28 nations' performances in the Winter Olympic games, in which bin would the median be located?

Two competing companies sell very similar products that are manufactured in plants located near each other in the United States. Company A values inventory using last-in, first-out (LIFO) and uses accelerated depreciation for plant assets. Company B values inventory using first-in, first-out (FIFO) and uses straight-line depreciation. From this information, what conclusions can an analyst draw about the gross margin reported for the two companies?

After some recent problems regarding the anti-lock brake systems in its cars, a major automobile company decides to take a random sample of 50 cars from its manufacturing plant. To make things easier, management decides to conduct the sampling from all cars produced on a particular day. Which of the options below represents the BEST way to take this sample?

A researcher wants to predict an individual's starting monthly salary based on the number of years of education the individual has received.

Based on the Excel output below, what is the predicted starting monthly salary for a person with 17 years of education?