You are designing a direct marketing campaign for an online clothing retailer. As part of your design, you quantify the expected response rates by ethnic group. Your definition of the term “ethnicity” follows that of the U.S. Census Bureau (e.g., Hispanic, Asian, African American, etc.). You want to test your campaign using 1,000 randomly selected households, but you want your sample to mimic the U.S. population in terms of the proportion of different ethnicities (e.g., if Hispanics constitute about 12 percent of the U.S. population, 12 percent of your sample should be Hispanic).
In your opinion, would a simple random samplebe an appropriate samplingplan? If so, why? If not, what other sampling plan would you use and why?
A random sample should work well because 1,000 is a fairly large …
We analyze the reliability of random sampling of 1000 households for a statistical survey.