Author: Anonymous

Measures of dispersion or variation include such measurements as mean, median or mode

The prevalence rate for a disease includes both new cases reported in a given time as well as pre-existing cases

The majority of statistical tests are based upon the what?

When defining class intervals in a frequency distribution, chosen intervals should be biologically plausible

The standard error is different from the standard deviation because it accounts for sample size

Sanitation prevents the natural spread of disease

An odds ratio estimates relative risk by comparing exposure among cases to exposure among controls

A line listing database consists of a table in which each row represents a unique record of a case and each column is a variable of identifying information

Doctors at a local hospital are trying to identify if there is a pattern to the number of babies born per month over the course of several years. What is the dependent variable in this example?

The geometric mean is used for data sets which have an exponential (logarithmic) distribution