25. A verage Wind Speeds A sample of 40 large cities was selected, and the average of the wind speeds was com- puted for each city over one year. Construct a frequency distribution, using 7 classes....

Extracted text: 25. A verage Wind Speeds A sample of 40 large cities was selected, and the average of the wind speeds was com- puted for each city over one year. Construct a frequency distribution, using 7 classes. 12.2 10.5 9.5 10.2 6.2 8.9 8.7 10.5 10.2 10.7 9.0 8.9 12.2 7.1 11.0 8.7 8.4 8.8 7.1 10.1 11.2 9.1 8.2 7.9 8.7 10.4 7.7 12.3 10.7 7.7 7.8 11.8 10.5 7.9 8.3 8.7 9.6 9.6 8.6 10.3