Earthquakes. Use the One Variable Statistics and Graphs applet for Exercises 126–131. Work with the Earthquakes data set, which shows the magnitude on the Richter scale of 57 earthquakes that occurred during the week of October 15–22, 2007.
earthquakes
129. Click on the number line and drag slowly all the way to the right.
2.2.129
(a) Increases (b) Decreases