During randomization for sampling or experiment lay-outs, ensuring interspersionmeans: a. Repeating the randomization to get a satisfactory interspersion b. Resorting to haphazard arrangement instead of randomization c. All of the choices given are appropriate d. none of the choices given are appropriate e. making your own lay-out if the randomization results are not satisfactory f. Accepting any randomization outcome

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People from some ethnic groups have…

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A: Given: n1=22S12=161.5n2=22S22=131.5

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