A study takes a sample of students from a university and compares their average IQ to a known IQ for the university. Which statistical test should the researchers use to find out whether the sample mean IQ differs from the average university IQ?

In t-tests, medians are compared for statistical significance.

Which of the following is the counterpart of the dependent samples t-test to compare the means of two dependent populations? 

Which measure of central tendency should be used for the data set 108 112 205 116 120?

When the sample size is small and will lead to a violation of normality assumption, which type of tests should be considered?

A federal law is passed requiring labeling on food products. In subsequent years, the rate of obesity among adults decreases. Which of the following terms best describes the relationship between the law and the change in obesity rates?

True or False? When referring to literature, all events and episodes should be written about using the past verb tense. When writing a literary analysis, you must use past tense.

A stem and leaf plot is not a good chart for showing the distribution of the continuous data.

Which of the following is an important factor to consider when you are deciding what format to display the data?

What term is best used to describe a variable that represents the number of patients being admitted to an emergency room a month?