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# Emneopgave: statistik - PowerPoint PPT Presentation

Emneopgave: statistik. Simona Sokolowska og Christine Dahl Pold HHX 1MA. INDHOLDSFORTEGNELSE. Tegn Grupperede observationer Diskrete observationer Diagrammer Gennemsnit Frekvens/sum . F Kvartilsæt/fraktil Median/typetal Nspire og Wordmat Standardafvisning Variant. TEGN.

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Presentation Transcript

Simona Sokolowska og Christine Dahl PoldHHX 1MA

• Tegn

• Grupperede observationer

• Diskrete observationer

• Diagrammer

• Gennemsnit

• Frekvens/sum. F

• Kvartilsæt/fraktil

• Median/typetal

• Nspire og Wordmat

• Standardafvisning

• Variant

• Intervaller

• Søjle/histrogram

• Sumkurve

• Eksempel

• Præcise

• Pindediagram/Trappediagram

• Eksempel

• Søjle diagram

• Sumkurve

• Pindediagram

• Trappediagram

• Grupperede

• Diskrete

• Kvartilsæt1. kvartil = 25 %2. kvartil = 50 % også medianen3. kvartil = 75 %

• Fraktiler resterende procenter f.eks. 20 % osv.

• Median = 2.kvartil

• Typetal = Det tal, som gentager sig flest gange. - har den højeste hyppighed

• Standardafvigelse

• Varians =