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WikiCards · Card list · Science cards · Coverage error
Common card · Science
Coverage error, a Common card
Coverage error is a type of non-sampling error that occurs when there is not a one-to-one correspondence between the target population and the sampling frame from which a sample is drawn.
- Rarity
- Common
- Domain
- Science
- ATK
- 55
- DEF
- 33
- Power
- 88
- Wikipedia reads a year
- 2,100
Power 88 (ATK + DEF): stronger than 30 % of WikiCards cards.
Coverage error quiz: 3 questions
Three questions on the Coverage error card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
This can bias estimates ______ using survey data.
Answer
calculated. This can bias estimates calculated using survey data. From the Coverage error article on Wikipedia.
Which of these Wikipedia articles is read the most in a year?
Answer
Kumar Iyer. Kumar Iyer 3,500 · FE-10 2,700 · Coverage error 2,100 · 25C-NBOH 1,200 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.
- This can bias estimates calculated using survey data.
- For example, a researcher may wish to study the opinions of registered voters by calling residences listed in a telephone directory.
- Undercoverage may occur if not all voters are listed in the phone directory.
Why it is Common
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Coverage error article was read about 2,100 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 55 and blocks with 33: each hit it takes is cut by 13 %.
How to get Coverage error
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.
More Science cards
Cards close in power
The cards just above and just below Coverage error in the power ranking, all domains together.
- BrumathCommon · Society · ATK 43 DEF 45
- Carlo AmatoCommon · Society · ATK 51 DEF 37
- TET-assisted pyridine borane sequencingCommon · Science · ATK 55 DEF 33
- Franklin High SchoolCommon · Society · ATK 47 DEF 41
- Hydrangea radiataCommon · Nature · ATK 49 DEF 39
- Jeanne DelanoueCommon · Society · ATK 50 DEF 38
Card lists
- Wikipedia quizNew questions every day
- All cards from A to ZEvery card, by name
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- Legendary cards
- Tier listS and A tiers by power (ATK + DEF)
Credits
Text : Wikipedia, Coverage error (revision), CC BY-SA 4.0. Photo : The Jedi Math Squirrel, CC BY-SA 4.0, Wikimedia Commons.
