Question: A customer at a specialty coffee shop observed the amount of time, in minutes, that each of 20 customers spent waiting to receive an order.

A customer at a specialty coffee shop observed the amount of time, in minutes, that each of 20 customers spent waiting to receive an order. The results are recorded in the table below.

3.3 3.9 3.9 2.5 4.6 5.1 4.7 3.5 3.4 6.1
3.6 5.0 4.6 4.9 2.9 3.4 2.1 3.8 5.2 2.8

Find the mean and sample standard deviation of these data. Round to the nearest hundredth.

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