Seismologists use the term aftershock to describe the smaller earthquakes that follow a main earthquake. Following a major earthquake in the Los Angeles area, the U.S. Geological Survey recorded information on 2,929 aftershocks. Data on the magnitudes (measured on the Richter scale) for the 2,929 aftershocks are saved in the EARTHQUAKE file. Use a random number generator to select a random sample of 30 aftershocks from the EARTHQUAKE file. Identify the aftershocks in your sample.