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Frequency Distributions
2. Describing Data with Tables and Graphs / Frequency Distributions / Problem 4
Problem 4

Construct a frequency distribution for the data given below about the magnitudes of recent earthquakes recorded worldwide. Can we conclude that the magnitudes appear to have a normal distribution?
4.5, 5.1, 6.2, 4.8, 5.6, 6.8, 7.1, 5.3, 4.9, 6.0, 5.8, 4.7, 5.2, 6.5, 7.3, 4.6, 5.9, 6.1, 5.4, 4.8, 6.7, 7.0, 5.5, 4.9, 6.3, 5.7, 6.9, 5.0, 4.6, 7.2\text{4.5, 5.1, 6.2, 4.8, 5.6, 6.8, 7.1, 5.3, 4.9, 6.0, 5.8, 4.7, 5.2, 6.5, 7.3, 4.6, 5.9, 6.1, 5.4, 4.8, 6.7, 7.0, 5.5, 4.9, 6.3, 5.7, 6.9, 5.0, 4.6, 7.2}