Concept Quiz: The One-Sample t-Test

The goal of the one-sample t-test is to:

compare the mean of a sample to the population mean.

The one-sample t-test accounts for bias resulting from sample size in the calculation of the standard error of the mean by:

dividing by the square root of the sample size minus one.

Nate is conducting a one-sample t-test and has determined that his test should be two-tailed. Which of the following is TRUE regarding the critical value for the test?

There will be two critical values for this test, one positive and one negative.

For the one-sample t-test, the population's standard deviation is _____

not known

The shape of the t-distribution used to find the critical t-value is influenced by:

the alpha of the test NO

The alpha level of a one-sample t-test is determined by:

the researcher

In a two-tailed test, the obtained test statistic can be negative and still result in rejecting the null hypothesis.

true

The null and alternative hypotheses of the one-sample t-test are the same as the one-sample z-test.

true

Which formula accurately represents the degrees of freedom for the one-sample t-test?

df = n-1

Compared to the one-sample z-test, the one-sample t-test incorporates more information about the population.

false