The spending in dollars of 26551 customers in one marketing segment of a credit card company, during october and november last year, is summarized in the table below. If possible, calculate the mean, median, inter-quartile range, and standard deviation for the total spending of these customers for october plus novermber. State any assumptions you make. october mean: 871 first quatrile: 328 median: 740 hird quartile: 1605 standard deviation: 988 november mean: 752 first quatrile: 371 median: 799 third quartile: 1927 standard deviation: 1281 calculate the mean of total spender in october and novemebr

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