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7 June, 11:13

Johan is studying the effects of access to social programs on different races. Because he wants to make sure he has a representative sample from each of the racial groups, he will most likely use a

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  1. 7 June, 13:12
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    Johan is studying the effects of access to social programs on different races. Because he wants to make sure he has a representative sample from each of the racial groups, he will most likely use a Stratified sampling

    Explanation:

    Stratified sampling is a method employed in business analysis that comprises splitting the group of matter into more petite groups, termed strata. To achieve stratified random sampling, take a random sample from inside apiece level or stratum. Then, a likelihood sample is extracted from all groups.

    Stratified random sampling for more extensive data sets is regularly accomplished employing statistical software. Employing stratified sampling, it may be desirable to lessen the sample quantity wanted to produce a presented sureness. Or it may be desirable to improve the accuracy with the alike sample size.
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