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Matematika > Statistični Pojmi > Flashcards

Statistični Pojmi Flashcards

1
Q

Populacija

A

Končna ali neskončna množica, ki jo statistično proučujemo

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2
Q

Vzorec

A

Končna podmnožica populacije

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3
Q

Statistična enota

A

Posamezen element populacije

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4
Q

Statistični znaki

A

Podatki, ki nas v danem primeru zanimajo (številski ali opisni)

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5
Q

Statistični parametri

A

Značilnost populacije kot celote

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6
Q

Frekvenčni razred

A

Določimo z delitvijo intervala med največjo in najmanjšo vrednostjo

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7
Q

Frekvenca

A

Število posameznikov

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8
Q

Relativna frekvenca

A

Pove delež enot frekvence

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9
Q

Sredina frekvenčnega razreda

A

Aritmetična sredina ustreznega intervala

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10
Q

Komulativna frekvenca

A

Pove koliko podatkov je zavzelo manjšo vrednost od zgornje meje frekvenčnega razreda

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11
Q

Aritmetična sredina

A

Količnik vseh vrednosti spremenljivke in števila teh vrednosti

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12
Q

Mediana

A

Vrednosti so dane na pol

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13
Q

Modus (gostiščnica)

A

Vrednost, ki se največkrat ponovi

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14
Q

Variacijski razmik

A

Razlika med Max. in min. Vrednostjo

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15
Q

Medčetrtinski razmik

A

Razlika med 3. In 1. Kvartilom

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16
Q

Varianca

A

Mera za razpršenost podarkov

Matematika (1 decks)

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