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(a) Select the Excel function for the 12 percent trimmed mean of a data set in cells A1:A50. Excel function =TRIMMEAN(A1:A50,0.12) Excel function =TRIMMEAN(A1:A50,0.24) Excel

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(a) Select the Excel function for the 12 percent trimmed mean of a data set in cells A1:A50. Excel function =TRIMMEAN(A1:A50,0.12) Excel function =TRIMMEAN(A1:A50,0.24) Excel function =MEAN(A1:A50,0.24) (b) How many observations would be trimmed in each tail? No of observations (c) How many would be trimmed overall? No of observations

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