To conduct a survey about the type of phone service most people in greenville prefer, 10 different blocks in the neighborhood are chosen. on these 10 blocks, 10 houses are selected at random, and then one resident of each of those houses is interviewed. this type of sampling method is
a. simple random sampling.
b. stratified sampling.
c. systematic random sampling.
d. cluster sampling.

D. cluster sampling.

Step-by-step explanation:

In cluster sampling, the researcher divides the whole population into separate groups known as clusters.

Then, he select a random sample of clusters from the population.

The researcher performs his analysis on data from the sampled clusters.

Given: To conduct a survey about the type of phone service most people in Greenville prefer, 10 different blocks in the neighborhood are chosen. On these 10 blocks, 10 houses are selected at random, and then one resident of each of those houses is interviewed.

Here , number of blocks are clusters.

Therefore,  This type of sampling method is   cluster sampling.

an altitude of 15,000 feet

step-by-step explanation:

add an image

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