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+2 votes
asked in CSC202 by (4.3k points)

1 Answer

+1 vote

I've had a few questions about this so I'll answer for all....

In the sample computation I gave (7.2 * 9 + 3) is divided by 10 because there were 9 rankings and with the additional ranking of 3, there are now 10 people who have ranked the video item. The 10 is not because the maximum ranking constant is 10, it is because there are now 10 people that have ranked the video.

answered by (4.3k points)
edited by
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