カイ二乗、χ二乗、χ自乗

WordNet

raise to the second power
(geometry) a plane rectangle with four equal sides and four right angles; a four-sided regular polygon; "you can compute the area of a square if you know the length of its sides" (同)foursquare
the product of two equal terms; "nine is the second power of three"; "gravity is inversely proportional to the square of the distance" (同)second power
make square; "Square the circle"; "square the wood with a file" (同)square_up
something approximating the shape of a square
a hand tool consisting of two straight arms at right angles; used to construct or test right angles; "the carpenter who built this room must have lost his square"
any artifact having a shape similar to a plane geometric figure with four equal sides and four right angles; "a checkerboard has 64 squares"
someone who doesnt understand what is going on (同)lame
a formal and conservative person with old-fashioned views (同)square toes
rigidly conventional or old-fashioned (同)straight
without evasion or compromise; "a square contradiction"; "he is not being as straightforward as it appears" (同)straightforward, straight
be compatible with; "one idea squares with another"
cause to match, as of ideas or acts
having four equal sides and four right angles or forming a right angle; "a square peg in a round hole"; "a square corner"
leaving no balance; "my account with you is now all square"
pay someone and settle a debt; "I squared with him"
position so as to be square; "He squared his shoulders"
the 22nd letter of the Greek alphabet (同)khi
having been made square

PrepTutorEJDIC

『正方形』;四角な物;(チェス・チェッカーなどの盤の,正方形の)目,ます目 / (四角い)『広場』(街路の交差点にあって,しばしば中央に植木や芝などが植えてあり,小公園になっている);《おもに英》広場の回りの建物(街路)(《略》Sq.) / (四方を街路で囲まれた方形の)一区画,ブロック / 直角定規,かね尺 / (数の)『2乗』,平方(《略》sq.) / 《俗》旧式な人 / 『正方形の』,四角な,直角の,直角をなす / 角ばった,がっかりした / 『平方の』,2乗の(《略》『sq.』) / 《補語にのみ用いて》対等の,五分五分の(even);貸し借りにない / 正直な(honest),公正な(fair),正しい(just) / 率直な,はっきりした,きっぱりした(direct) / 実質のある,十分な / 《俗》しゃちほこばった / =squarely / …‘を'正方形(四角)にする;直角にする / …‘を'正方形(四角)に区切る《+『off』+『名』,+『名』+『off』》 / 〈肩・ひじなど〉‘を'張る / (人と)〈勘定〉‘を'決済する,清算する《+『名』〈勘定〉+『with』+『名』〈人〉》 / (…と)…‘を'一致させる,適合させる《+『名』+『with』+『名』》 / 《受動態で》〈数〉‘を'2乗する;〈ある形・図形など〉‘の'平方積(面積)を求める / 〈人〉‘を'買収する,抱き込む,…‘に'わいろを使う / 〈試合の得点〉‘を'同点にする / (…と)一致する,適合する《+『with』+『名』》
キー(ギリシア語アルファベットの第22字X,x;英語のchに相当)

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/10/26 11:21:40」(JST)

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The term chi-squared or $\chi ^{2}$ has various uses in statistics:

chi-squared distribution, a continuous probability distribution
chi-squared test, name given to some tests using chi-squared distribution
chi-squared target models, a mathematical model used in radar cross-section

This disambiguation page lists articles associated with the title Chi-squared.
If an internal link led you here, you may wish to change the link to point directly to the intended article.

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1. 成人における初期治療の効果がない線維筋痛症の治療 treatment of fibromyalgia in adults not responsive to initial therapies
2. パーキンソン病の非薬理学的マネージメント nonpharmacologic management of parkinson disease
3. 高齢者における身体活動および運動 physical activity and exercise in older adults
4. 転倒：一般社会で生活する高齢者における防止 falls prevention in community dwelling older persons
5. 変形性関節症の非薬物療法 nonpharmacologic therapy of osteoarthritis

English Journal

Increased prevalence of depression and anxiety in patients with migraine and interictal photophobia.

Llop SM1, Frandsen JE2, Digre KB2,3, Katz BJ2,3, Crum AV2,3, Zhang C4, Warner JE5,6.
The journal of headache and pain.J Headache Pain.2016 Dec;17(1):34. doi: 10.1186/s10194-016-0629-6. Epub 2016 Apr 14.
BACKGROUND: Most patients with migraine report photophobia associated with headache; a subset report interictal photophobia. These patients are light sensitive even during headache-free periods. The objective of this case-control study was to assess the prevalence of symptoms of anxiety and depressi
PMID 27080113

Impulsivity and addiction severity in cocaine and opioid dependent patients.

Rodríguez-Cintas L1, Daigre C2, Grau-López L3, Barral C3, Pérez-Pazos J4, Voltes N5, Braquehais MD6, Casas M6, Roncero C3.
Addictive behaviors.Addict Behav.2016 Jul;58:104-9. doi: 10.1016/j.addbeh.2016.02.029. Epub 2016 Feb 17.
BACKGROUND: Impulsivity as a personality trait is a risk factor for the development and maintenance of cocaine and opioid dependence. The objective of this study is to analyze the relationship between impulsivity and addiction severity in cocaine and opioid dependent patients.METHODS: A cross-sectio
PMID 26922157

Pregnancy outcomes in women with osteogenesis imperfecta.

Yimgang DP1, Shapiro JR1.
The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians.J Matern Fetal Neonatal Med.2016 Jul;29(14):2358-62. doi: 10.3109/14767058.2015.1085965. Epub 2015 Sep 15.
OBJECTIVE: To assess the relationship between osteogenesis imperfecta (OI) type, mode of delivery and outcomes as self-reported by women in the International Osteogenesis Imperfecta (OI) Registry.METHODS: A cross-sectional study using data from 274 women with OI who reported their experience with pr
PMID 26372357

Japanese Journal

一般成人を対象とした健康実態調査とカネミ油症患者実態調査の比較

赤羽学,松本伸哉,神奈川芳行,三苫千景,内博史,吉村健清,古江増隆,今村知明
Fukuoka Acta Medica 106(5), 85-118, 2015-05-25
… Statistical analyses were performed using a chi-square analysis for the incidence of symptoms. …
NAID 120005624035

Detection of Schistosoma spindale ova and associated risk factors among Malaysian cattle through coprological survey

Tan Tiong Kai,Low Van Lun,Lee Soo Ching,Panchadcharam Chandrawathani,Kho Kai Ling,Koh Fui Xian,Sharma Reuben Sunil Kumar,Jaafar Tariq,Lim Yvonne Ai Lian
Japanese Journal of Veterinary Research 63(2), 63-71, 2015-05
… Chi-square analysis revealed that female cattle are less likely to get S. …
NAID 120005613589