sample statistics are clustered.
c. The standard error cannot identify how spread out of clustered the sample statistics
are around the population parameter.
d. The standard error generally similar to the standard deviation.
When a researcher uses a stratified sampling technique, they _____.
a. do not select elements from homogeneous subsets of a population
b. recognize the extent that subsets that are homogeneous on stratified variables will
generally result in homogeneity on other variables as well
c. cannot estimate that a stratified sample is likely to be more representative on a
number of variables than a simple random sample
d. do not use probability sampling method.
Which of the following would be considered an appropriate method for increasing the
response rate in mailed surveys?
a. go to the respondent’s home and pick up the questionnaire
b. targeting a narrowly defined population
c. send one dollar along with the questionnaire