To determine monthly rental prices of apartment units in San Francisco Bay area, samples were constructed in the following ways. Identify the technique used to produce each sample. (cluster, convenience, random, stratified, systematic):
a) Number all the units in the area and use a random number table to select the apartments to include in the sample.
Systematic Sampling
b) Classify the apartment units according to the number of bedrooms and then take a random sample from each of the classes.
Stratified Sampling
c) Classify the apartments according to zip code and take a random sample from each of the zip code regions.
Cluster Sampling
d) Look in the newspaper and choose the first apartments you find that list rents.
Convenience Sampling
Statistics. Are these correct?
yes ur right
all correct
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