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