Appropriate statistical summary

Reference no: EM1389869

Your customers have been divided into 3 groups. The first group represents 15% of customers, and these customers spent an average of $29.76 last year. The second group represents 29% of customers who spent $58.03 on average. Within the third group, average spending was $75.10. You are interested in finding the average spending per customer across all groups. What is the appropriate statistical summary here, to be computed based on this information?

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Reference no: EM1389869

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