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Estimate for the mean amount per customer

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Reference no: EM13245940

A random sample of 25 customers at the checkout in a small local supermarket revealed that they had spent the following amounts in the supermarket ($):

25  45505963538054  1218272930
65501572437160355549  15  54

(a) Give a point estimate for the mean amount per customer spent at the supermarket.

(b) Give a 99% confidence interval estimate for the mean amount per customer spent at the supermarket.

Reference no: EM13245940

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