ThedatashownbelowdescribethemeanSATmathscoresinarecentyearfor states that have a participation rate of at least 50 percent. Do the data follow a normal distribution? Justify your answer. 462,465, 495,496,496,496,498,498,502, 505, 506, 507, 507, 509, 510, 511, 512, 518, 521, 522, 526, 531

I do not want the answer to the question (unless you can give it very quickly). I just need to know if this is a sample or a population.