Hypothesis Testing Flashcard

Front

What symbol is used for the alternative hypothesis in a two-tailed hypothesis test?

Back

≠

Front

What action is taken if a negative test statistic is less than the critical value in a two-tailed test?

Back

Reject the null

Front

What does the null hypothesis (H0) represent in hypothesis testing?

Back

A statement that there is no effect or no difference.

Front

What should you do if the p-value is less than the significance level α (alpha)?

Back

Reject H₀ (null).

Front

What should you do if a positive test statistic is greater than the critical value in a two-tailed test?

Back

Reject the null.

Front

Define hypothesis testing.

Back

A statistical method used to make decisions about the value of a population parameter based on sample data.

Front

What is a null hypothesis (H0)?

Back

A hypothesis that states there is no effect or no difference.

Front

What is an alternative hypothesis (H1)?

Back

A hypothesis that states there is an effect or a difference.

Front

What does a p-value represent in hypothesis testing?

Back

The probability of obtaining test results at least as extreme as the observed results, assuming that the null hypothesis is true.

Front

What is the significance level (α)?

Back

The threshold for rejecting the null hypothesis, commonly set at 0.05.