12. This non probability sampling is a variation of stratified sampling, wherein samples are collected 2 in each subgroup until the desired quota is met. A. accidental sampling C. quota sampling B. cluster sampling D. purposive sampling

Suppose that Fairfax County has N=400,000 households.  Further, assume that for we have a complete list of these households that contains information for each household that includes estimated household income, household zip code, household address, high school related to the address.   We want to collect information from either a sample of n=2000 or conduct a census of all 400,000 by using one of the techniques described below:   A = Simple Random Sampling B = Stratified Sampling C = Cluster Sampling D = Systematic Sampling E = Census F = Experimental Design   For each scenario below, determine which of the above techniques most closely resembles the data collection strategy being considered.  For each scenario you can just designate the technique by using the appropriate letter from above.  No further work need to be shown.   Using household income, we sort the list from lowest to highest household income and label these sorted households as 1 to 400,000 on our list.  We generate a…

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Identify the sampling technique used to obtain the following sample. Ping pong balls in a basket are shaken and then balls are selected from the basket. Choose the correct sampling technique below. O A. Cluster sampling O B. Random sampling C. Systematic sampling O D. Stratified sampling O E. Convenience sampling