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WikiCards · Card list · Science cards · Multivariate normal distribution
Rare card · Science
Multivariate normal distribution, a Rare card
In probability theory and statistics, the multivariate normal distribution, multivariate Gaussian distribution, or joint normal distribution is a generalization of the one-dimensional normal distribution to higher dimensions.
- Rarity
- Rare
- Domain
- Science
- ATK
- 79
- DEF
- 63
- Power
- 142
- Wikipedia reads a year
- 250,000
Power 142 (ATK + DEF): stronger than 70 % of WikiCards cards.
Multivariate normal distribution quiz: 3 questions
Three questions on the Multivariate normal distribution card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
Its ______ derives mainly from the multivariate central limit theorem.
Answer
importance. Its importance derives mainly from the multivariate central limit theorem. From the Multivariate normal distribution article on Wikipedia.
Which of these Wikipedia articles is read the most in a year?
Answer
Cherenkov radiation. Cherenkov radiation 320,000 · Multivariate normal distribution 250,000 · Circle 190,000 · Graphic design 150,000 Wikipedia reads over a year.
In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.
The facts on the card
The card carries these facts from its Wikipedia article.
- One definition is that a random vector is said to be k-variate normally distributed if every linear combination of its k components has a univariate normal distribution.
- Its importance derives mainly from the multivariate central limit theorem.
- The multivariate normal distribution is often used to describe, at least approximately, any set of correlated real-valued random variables, each of which clusters around a mean value.
Why it is Rare
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Multivariate normal distribution article was read about 250,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 79 and blocks with 63: each hit it takes is cut by 25 %.
How to get Multivariate normal distribution
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
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Credits
Text : Wikipedia, Multivariate normal distribution (revision), CC BY-SA 4.0. Photo : Bscan, CC0, Wikimedia Commons.
