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hypothesis

Authored by Micheal Johnson

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hypothesis
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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. Gipotezani sinashning qaysi qadamida qaror qabul qilinadi?

A) So‘rov o‘tkazish


B) Belgilangan statistik ko‘rsatkichni tanlash


C) Sinov statistik ko‘rsatkichini hisoblash


D) Belgilangan statistik ko‘rsatkichni qaror qabul qilish uchun taqqoslash

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2. Sinov statistikasi qanday aniqlanadi?

A) Faqat qabul qilingan gipotezaga asoslangan holda


B) Namuna bo‘yicha hisoblanadi


C) Populyatsiyaning to‘liq ma'lumotlari bilan hisoblanadi


D) To‘liq ma'lumotlar asosida

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3. Gipotezaga doir birinchi qadam nima?

A) Sinov uchun ma'lumotlarni yig‘ish


B) Null va alternativ gipotezalarni bayon qilish


C) Belgilangan statistik ko‘rsatkichlarni tahlil qilish


D) Namuna hajmini aniqlash

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4. Gipotezaning nol gipotezasi qanday belgilanadi?

A) Bu "xohlangan natija" sifatida ko‘riladi


B) Bu asosiy gipotezaga qarshi qilingan bayonotdir


C) Bu haqiqat deb qabul qilinadi, toki qarama-qarshi dalillar topilmaguncha


D) Bu ko‘p imkoniyatlarni o‘z ichiga oladi

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5. Gipotezani qaysi testdan foydalangan holda test qilish mumkin, agar populyatsiya dispersiyasi noma'lum bo‘lsa?

A) Z-test


B) T-test


C) Chi-kvadrat testi


D) F-test

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

6. Ikkita dispersiyani taqqoslash uchun qaysi test ishlatiladi?

A) T-test


B) Chi-kvadrat testi


C) F-test


D) Mann–Whitney U testi

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

7. Parametrik testlar qaysi holatda ishlatiladi?

A) Faqat keng namunalar uchun


B) Rangsiz ma'lumotlarda


C) Populyatsiya tarqatishining aniqligi taxmin qilingan hollarda


D) Tarqatishga oid aniq taxminlar yo‘q bo‘lgan hollarda

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