IMDB Does not add up correctly

Hi,

I am looking at your IMDB rating for Somewhere boy, and it does not seem to add up. If you work out the Mean value of all the ratings from each episode the average works out at 8.28.... which should give it a rating of 8.3, therefore rating it 0.7 off its true value. Could you please adjust this or let me know where my calculations are wrong?

Many thanks,

Jack

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bderoes

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3 years ago

Please see relevant Help Center articles:

Weighted Average Ratings

IMDb publishes weighted vote averages rather than raw data averages. The simplest way to explain it is that although we accept and consider all votes received by users, not all votes have the same impact (or ‘weight’) on the final rat ... Read more.

The vote average for film "X" should be Y! Why are you displaying another rating?

IMDb doesn't use the arithmetic mean when calculating the ratings, although the raw mean and median are shown under the detailed vote breakdown graph on the ratings pages. Instead we use a weighted average scheme. In order to avoid lea ... Read more.

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jackburkeIMDB

IMDB Does not add up correctly

bderoes

Weighted Average Ratings

The vote average for film "X" should be Y! Why are you displaying another rating?

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jackburkeIMDB

IMDB Does not add up correctly

bderoes

Weighted Average Ratings

The vote average for film "X" should be Y! Why are you displaying another rating?

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