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  1. Prepare
  2. Tutorials
  3. 10 Days of Statistics
  4. Day 0: Weighted Mean
  5. Discussions

Day 0: Weighted Mean

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569 Discussions

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  • c_todopob
     + 0 comments

    def weightedMean(X, W): # Write your code here we = [(x*w) for x,w in zip(X,W)] weight = 0 for item in we: weight += item print(round(weight/sum(W),1))

  • n4m774r_d
     + 0 comments

    print(f"{sum([x*w for x,w in zip(X,W)]) / sum(W):.1f}")

  • alex_korobkov
     + 0 comments

    This is kind of a problem where Python list comprehension shines.

  • marcosalves_dev
     + 0 comments
    def weightedMean(X, W):
    product = sum(list(map(lambda n: n[1] * W[n[0]], enumerate(X))))
    print(f"{product / sum(W):.1f}")

  • juanc_barbaran
     + 0 comments
    def weightedMean(X, W):
    # Write your code here
    multi = [a * b for a, b in zip(X, W)]
    
    print(round(sum(multi)/sum(W), 1))