A stratified random sample should be used when
a. the population has identifiable subgroups that are of interest to the researcher
b. the sample constitutes the population.
c. the population is very small
d. there is no way of estimating the probability that a particular subgroup will be included in the sample
Question 2
The first step in sampling is to
a. determine the desired size of the sample
b. identify the population from which the sample is to be drawn
c. identify all subgroups, or strata
d. identify desired attributes of the sample
Feral Jackson's Chameleon from a population introduced to Hawaii in the 1970s
Trap set to monitor the wild population in the Dryandra Woodland
Sample Exercise Program for Healthy Older Adults (cont.)
Sample inventory order form.
Sample prescriptions of antibiotics for prophylaxis against infective endocarditis.
The level of future emissions is closely linked to the rate of population growth