
Aprakstošā statistika
Quiz
•
Science
•
University
•
Practice Problem
•
Medium
Edgars Bernāns
Used 46+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Kādu uzdevumu pilda aprakstošā statistika?
Apraksta matemātisku vienādojumu
Nosaka pētāmās pazīmes varianšu skaitu
Aprēķina galvenos statistiskos rādītājus
Sagatavo datus statistiskajai analīzei
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Kurš no šiem nav vidējo rādītāju grupā?
Mediāna
Moda
Variācijas koeficients
Vidējais kvadrātiskais
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Moda ir
Pazīmes vērtība ar vislielāko frekvenci
Vērtība, kas ir ranžētas paraugkopas visuspunkts
Vidējo rādītāju summa
Pazīmes variēšanas frekvence
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Vidējo rādītāju R Studio aprēķina pēc funkcijas
mean(x)
median(x)
average(x)
med(x)
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Standartnovirze raksturo
datu izkliedi ap vidējo aritmētisko
datu izkliedi ap mediānu
datu izkliedes intervālu
datu maksimālās un minimālās vērtības starpības attiecību pret vidējo rādītāju
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Variācijas koeficientu R Studio aprēķina pēc formulas
sd(x)/mean(x)*100
mean(x)/sd(x)*100
sd(x)*100/mean(x)*100
sd(x)/mean(x)/100
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Varianšu skaits atbilst
Novērojumu skaitam
Pazīmju skaitam
Vidējai vērtībai
Standartnovirzes kvadrātam
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