Use the following information to answer the question. A junior high gym teacher recorded the time, in minutes, that it took two of her classes to run one mile. Here are the summary statistics for each class:
Class A: x = 9.6, s = 1.1 Class B: x = 9.9; s = 1.5
-Calculate the sample variance for each class. Round to the nearest hundredth and be sure to use the correct symbols and units.
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