• 2022-06-19
    A
    sample in which the characteristics of the sample are the same as
    those of the population is a ( )
    A: variables
    sample.
    B: representative
    sample.
    C: attributes
    sample.
    D: random
    sample.
  • B

    内容

    • 0

      The<br/>methods used for evidence collection will vary depending on?() A: the<br/>environmental condition B: Laboratory<br/>condition C: the<br/>entirety of sample D: the<br/>type of sample

    • 1

      An analyst does research about sampling and estimation. With respect to statistical analysis, a sample statistics is least described as: A: the set of rules used to select a sample. B: quantity computed from a sample. C: descriptive measure of a sample.

    • 2

      凭卖方样品成交时,应留存( )以备交货时核查之用。 A: counter sample B: duplicate sample C: free sample D: sample for<br/>reference

    • 3

      Which are the common used ways to sampling? A: Simple random sample without replacement B: Simple random sample with replacement C: Stratified sample D: Cluster sample

    • 4

      Two events are mutually exclusive if( ) A: the<br/>probability of their intersection is 1. B: they have no sample points in common. C: the<br/>probability of their intersection is 0.5. D: the<br/>probability of their union is 1 and they have no sample points in<br/>common.