Shoppers were surveyed about their spending for holiday shopping. The standard deviation of the amount shoppers spent was $⁢125 Which of the following is the best interpretation of this value?

Standard deviation describes the typical distance of data values from their mean. Here, shoppers' spending amounts typically vary by about $125 from the average amount spent. It does not describe the full range, the middle half's range, or the percentage of shoppers spending above $125.

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