a. Because people do not always answer questionnaires accurately and honestly.
b. Because the distribution of households made it impossible to conduct a random
sample survey.
c. Because only garbage associated with abandoned houses could legally be examined,
and there was therefore no one to ask.
d. Because so many households were included in the study, having people respond to
questionnaires would have been an enormous and costly task.
Which of the following is not basic to the reasons why archaeologists conduct random
sampling?
a. Without random sampling the samples would be biased, with certain parts of the
sample over- or under-represented, and therefore the final results would be biased.
b. Random sampling provides the only way for archaeologists to collect meaningful
negative evidence.
c. Random sampling allows statistical analysis.
d. Each site does not have an equal chance of being included in the sample.
The Mazama ash has been dated at numerous locations in the western US to 6900 years
old. This means that if an archaeologist finds the Mazama ash in a stratified context, he
or she knows that everything above it is less than 6900 years old, and everything below