What does a residual value of –4.5 mean in reference to the line of best fit? the data point is 4.5 units above the line of best fit. the data point is 4.5 units below the line of best fit. the line of best fit is not appropriate to the data. the line of best fit has a slope of –4.5.

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

How can you tell when x and y are not directly proportional?

What is x3+3x2−16x−48 divided by x−1?