The Spanish flue of 1918 was unusual because elderly women died much more than any other segment of the population

Which of the following is NOT true about the median of a sample

Match the following measures of mortality frequency with the best definition

Increasing the number of immunized individuals in a population results in increased ______________?

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

The proportionate mortality rate compares deaths due to a given disease to the deaths due to all causes in the same time period

A major weakness of case-control studies is what?

An attack rate is better used when trying to see how quickly people develop an illness over an extended period of time

A dichotomous variable has three possible choices (ie. A, B, C)

Josie collects data on average body temperatures of students in her class and finds that mean temperature is 98.4 F with a standard deviation of 0.5 F. What is the variance of this data set?