Hypothesis Testing 9.1 Diaz

Hypothesis Testing 9.1 Diaz

Assessment

Flashcard

Mathematics

University

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a null hypothesis (H₀)?

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 (H₁ or Hₐ)?

Back

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

3.

FLASHCARD QUESTION

Front

What does it mean if Hₐ: p ≠ k?

Back

It means that the true proportion p is different from k, indicating a two-tailed test.

4.

FLASHCARD QUESTION

Front

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

Back

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

5.

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.

6.

FLASHCARD QUESTION

Front

What is a Type II error?

Back

A Type II error occurs when the null hypothesis is not rejected when it is false.

7.

FLASHCARD QUESTION

Front

What is a test statistic?

Back

A test statistic is a standardized value that is calculated from sample data during a hypothesis test, used to determine whether to reject the null hypothesis.

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