When is the population standard deviation greater than the
population variance?
In a study that is looking at the proportion of statistics
majors that are male and female at a particular university,
which of the following could be a null hypothesis for a chi-
square test?

A researcher is conducting an ANOVA test to measure the
influence of the time of day on reaction time. Participants are
given a reaction test at three different periods throughout the
day: 7 a.m., noon, and 5 p.m. In this design, there are
_______ factor(s) and ______ level(s).
If the variance between treatments increases and the variance
within treatments decreases, what will happen to the F-ratios
and the likelihood of rejecting the null hypothesis in an