2: For each of the followving situations, decide what sampling method you would

Question

2: For each of the followving situations, decide what sampling method you would uso Provide an explanation of why you seleted aparilar method of sampling state universy in the state is attempling to lobby the state kegisator for a bil that wouldalow he university o harge a highrtulion rate than the obher variety of different degrees and wants to make surethat is status The university grans a wide a maisurveyed abut gadu esfor each ono per Arent sa gee . b. The Environmental P Agency (EPA) is required to inspect landfills in the United States for the presence of certain types of taxic material. The materials were sealed in containers and placed in the landils. The exact location of the be in the landfils to determine if leakage from the containers has occurred is no longer known. The EPA wants to inspect a sample of 2000 contalners from the 80,000 containers knowto

Explanation / Answer

a) Here we use Stratified sampling

Becuase here we select group (Statum ) of each depatment of university and the we select sample randomly for each department that's this method is best in this case.

b) here we use Simple random sampling without replacement method (SRSWOR)

Becuase in this method selecting each observation getting equal chance and unbiased sample

That's why we use this method .

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