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Answer: The correct mean weekly grocery expense for Taylor is $62.51How to find mean of a discrete data?Suppose the data values be .Then, their mean is evaluated as:where n = number of observations.For the given condition, Taylor recorded the weekly expenses for 12 weeks. Therefore, we get n = 12Let the real weekly expenses for Taylor be Let observation is misinterpreted as TThen, the mean of that misinterpreted set of data would beSince we're given that:Therefore, we get the mean of original weekly expenses as:Therefore, the correct mean weekly grocery expense for Taylor is $62.51Learn more about mean here:brainly.com/question/14315366Step-by-step explanation: