SQA Advanced Higher Statistics Hypothesis Testing overview quiz quiz
15questions. Pick an answer and you'll see why right away.
The null hypothesis in a hypothesis test always:
The significance level of a test is the probability of:
Using the p-value, you reject when:
A Type II error is:
For a two-tailed z-test at the 5% level, the critical values are:
The one-sample t-test statistic is:
A one-sample t-test on a sample of size uses how many degrees of freedom?
When the same individuals are measured before and after a treatment, the correct test is the:
In a one-sample proportion test, the standard error is calculated using:
When comparing two proportions, the standard error of the difference uses the:
A non-parametric test is preferred over a t-test when:
The Mann-Whitney U test is the non-parametric counterpart of the:
The chi-squared test statistic is:
The degrees of freedom for a chi-squared test on an contingency table are:
For a chi-squared test to be valid, each expected frequency should be at least about: