Concept Quiz: The One-Sample t-Test

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

the alpha of the test NO

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.

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

true

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

not known

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.

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

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