Managers rate employees according to job performance and attitude. The results for several randomly selected employees are given below.
Performance (x) / 3 / 4 / 8 / 1 / 10 / 5 / 9 / 2 / 3 / 10 Attitude (y) / 7 / 6 / 2 / 6 / 7 / 3 / 3 / 8 / 7 / 8
Use the given data to find the test statistic for testing linear correlation. Round the final values to three significant digits, if necessary.
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