Verify that the sample mean is 3

Reference no: EM131398468

1. For the frequencies f1 = 12, f2 = 18, f3 = 15, f4 = 10, f5 = 8, and f6 = 5, verify that the sample mean is 3.

2. For the observations
21, 36, 42, 24, 25, 36, 35, 49, 32
verify that the sample variance and the sample Winsorized variance are s² = 81 and S_w² = 51.4, respectively.

Reference no: EM131398468

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