Textbook ExpertVerified Tutor
17 Nov 2021
Given information
A study was done to determine the age, number of times per week, and the duration (amount of time) of residents using a local park in San Antonio, Texas. The first house in the neighborhood around the park was selected randomly, and then the resident of every eighth house in the neighborhood around the park was interviewed.
Step-by-step explanation
Step 1.
In stratified sampling, the investigator first divides the entire population into homogeneous groups (usually referred as strata’s) based on certain characteristics and then the investigator randomly selects sample from each of these strata’s.
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