Statistikos

Statistikos

University

10 Qs

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Statistikos

Statistikos

Assessment

Quiz

Mathematics

University

Practice Problem

Medium

Created by

Tadas Vadvilavičius

Used 6+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Nustatant normalumą, Skewness ir kurtosis turi būti tarp šių reikšmių:

[-1; 1]

[-2;2]

Kas tas Skewness ir kurtosis?

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Statistiškai reikšmingas rezultatas yra tada, kai

p > 0,05

p < 0,05

Visada

Kas tas p?

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Levene testas yra skirtas

Palyginti dispersijų grupes

Palyginti grupių dispersijas

Palyginti skirstinio normalumą

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Kurios grupės vidurkis didesnis - vyrų (vid. 1,54) ar moterų (vid. 1,88)?

Moterų

Vyrų

Negalime spręsti tik iš vidurkių reikšmių

Labas :)

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Shapiro-Wilk testas, kurio p > 0,05 rodo, jog

Duomenys yra artimi normaliajam

Duomenys nutolę nuo normaliojo

Duomenys tiesiog yra, bet nežinau kas

SPSS

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

Čia duomenys pasiskirstę pagal normalųjį skirstinį

Taip

Ne

Gal

What????

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Student T statistics rodo t(183)=5,14, p = 0,02 sako, jog:

Vidurkiai nesiskiria statistiškai reikšmingai

Vidurkiai skiriasi statistiškai reikšmingai

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