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A sample of 12 small accounting firms reveals the following numbers of professionals per office. 7 15 11 26 18 10 5 20 8 3

A sample of 12 small accounting firms reveals the following numbers of professionals per office.

7 15 11 26 18 10

5 20 8 3 22 6

What is the z-score for the firm that has six professionals?

Round the intermediate values to 3 decimal places. Round your answer to 2 decimal places.

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