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In_class_Practice1

In_class_Practice1 - In-class Practice 1(Bring to...

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Unformatted text preview: In-class Practice 1(Bring to class)NAME:_______________________________________________________BUAD 310USC ID#:__________________________________________________________ SIGNATURE:___________________________________________________ ARIF ANSARIPART 1 - MULTIPLE CHOICE [5 points each]1.A sample size of 20 is drawn from a population of size 200. The sample is drawn in such away that every possible sample of size 20 is equally likely to be drawn. This sampling planis called:a) Stratified Samplingb) Simple Random Samplingc) Cluster Samplingd) None of the above2. Which of the following is a Robust measure of variability ? a) The standard deviationb) Variancec) The interquartile ranged) The difference between the largest and smallest observations3.If Mean = Median=Mode for a distribution with a single peak, then the distribution is ?a) Symmetric but not unimodalb) Unimodal but not symmetricc) Unimodal and symmetricd ) None of the above4.Compared to the range of a population, the range of sample is almost always a) equal or largerb) equal or smallerc) equal d) Can be larger or smaller or equal...
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In_class_Practice1 - In-class Practice 1(Bring to...

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