Hypothesis testing Part 1

Hypothesis testing Part 1

Assessment

Flashcard

Mathematics

12th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a null hypothesis?

Back

The null hypothesis (H0) is a statement that there is no effect or no difference, and it serves as the default assumption in hypothesis testing.

2.

FLASHCARD QUESTION

Front

What is an alternative hypothesis?

Back

The alternative hypothesis (H1) is a statement that indicates the presence of an effect or a difference, opposing the null hypothesis.

3.

FLASHCARD QUESTION

Front

Can the null and alternative hypotheses be the same?

Back

No, the null and alternative hypotheses cannot be the same; they represent opposing statements.

4.

FLASHCARD QUESTION

Front

What does a right-tailed test indicate?

Back

A right-tailed test is used to determine if a parameter is greater than a certain value, indicated by H1: µ > k.

5.

FLASHCARD QUESTION

Front

What does a left-tailed test indicate?

Back

A left-tailed test is used to determine if a parameter is less than a certain value, indicated by H1: µ < k.

6.

FLASHCARD QUESTION

Front

What is the significance level (alpha) in hypothesis testing?

Back

The significance level (alpha) is the probability of rejecting the null hypothesis when it is actually true, commonly set at 0.05.

7.

FLASHCARD QUESTION

Front

What is a Type I error?

Back

A Type I error occurs when the null hypothesis is rejected when it is true.

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