Frequency Polygon. In Exercises, construct the frequency polygon.

Earthquake Magnitudes Use the frequency distribution from Exercise to construct a frequency polygon. Applying a loose interpretation of the requirements for a normal distribution, do the magnitudes appear to be normally distributed? Why or why not?

Exercise

Oil Consumption China currently consumes 7.6 million barrels of oil per day, compared to the United States oil consumption of 20.7 million barrels of oil per day. In the accompanying illustration, the larger barrel is about three times as wide and three times as tall as the smaller barrel.

Solution 19BSC

The magnitudes appear approximately to be normal. The frequency start 5, and then...