image 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.

Question 2.263

earthquakes

126. Click on the histogram tab.

  1. How many classes are included in the histogram?
  2. What is the class width?