This is one of the most important concepts in statistics, an essential subject for the study of machine learning.
Example —
Sequence = {1 , 5, 6, 4, 4} Sum = 20 n, Total values = 5 Arithmetic Mean = 20/5 = 4
Code —

Output:
Mean is: 4
Example —
Sequence = {0, 2, 1, 3} p = 0.25 Remaining Sequemce = {2, 1} n, Total values = 2 Mean = 3/2 = 1.5
Code —

Output:
Trimmed Mean is: 1.5
Example —
Sequence = [0, 2, 1, 3] Weight = [1, 0, 1, 1] Sum (Weight * sequence) = 0 * 1 + 2 * 0 + 1 * 1 + 3 * 1 Sum (Weight) = 3 Weighted Mean = 4/3 = 1.3333333333333333
Code 1 —

Output 1:
Weighted Mean is: 1.3333333333333333
Code 2 —

Output 2:
Weighted Mean is: 1.3333333333333333
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