Verify that given is the sample mean and trimmed mean

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1. For the observations
6,3,2,7,6,5,8,9,8,11
verify that the sample mean, trimmed mean and median are X¯ = 6.5, X¯t = 6.7 and M = 6.5.

2. In general, when you have n observations, what proportion of the values must be altered to make the 20% trimmed mean as large as you want.

Reference no: EM131399749

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