Verify the confidence interval for the trimmed mean

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Reported data on the number of seeds in 29 pumpkins. The results were

250, 220, 281, 247, 230, 209, 240, 160, 370, 274, 210, 204, 243, 251, 190, 200, 130, 150, 177, 475, 221, 350, 224, 163, 272, 236, 200, 171, 98.

The 20% trimmed mean is X‾t = 220.8 and the mean is X‾ = 229.2. Verify that the .95 confidence interval for µ is (200.7, 257.6) and that for the trimmed mean, µt, it is (196.7, 244.9).

Reference no: EM131398658

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