Statistics Hypothesis Testing Quiz

What is the statistical method used in making decisions using experimental data?

• Analytical testing

• Experimental testing

• Hypothesis testing

• Simple analysis

It is also the probability of committing an incorrect decision about the null hypothesis.

• Level of acceptance

• Level of error

• Level of hypothesis

• Level of significance

In a one-tailed test, in which critical value listed below will the computed z of 2.313 fall in the acceptance region?

• 1.383

• 1.533

• 2.228

• 2.365

If Sofia finds out that her null hypothesis is True and she fails to reject it, then she commits a ____________________.

If Sofia finds out that her null hypothesis is True and she rejects it, then she commits a ____________________.

If Sofia finds out that her null hypothesis is False and she fails to reject it, then she commits a __________________.

If Sofia finds out that her null hypothesis is False and she rejects it, then she commits a ___________________.

Which of the following would be an appropriate null hypothesis?

• The mean of a sample is equal to 80.

• The mean of a population is equal to 80.

• The mean of a population is not equal to 80.

• The mean of a population is greater than 80.

Which of the following describes a null hypothesis using a two-tailed test?

• c.

• d.

Which of the following describes an alternative hypothesis using a two-tailed test?