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Two companies have a mean rating of 3.0 stars. One of the companies has a standard deviation of 0.5 while the other has a standard deviation of 1.5. Interpret what this might tell us about the companies and their ratings? 1. What is the range of a set of data? ption las , 2. What is the standard deviation of a set of data, and what are some important character istics of a data sets standard deviation? dar th 3. Find the standard deviation from the data set below 12, 14, 19, 21, 21, 22, 24, 27, 32, 438