A public opinion poll that gauges the popularity of the Pres
     A public opinion poll that gauges the popularity of the President of the United States is an example of:  descriptive statistics  inferential statistics  analytical statistics  reductionist statistics  Inferential statistics are necessary in research because:  it may be impossible to find all members of a certain population  social scientists don\'t usually have the time or money to test an entire population  some of the population might not cooperate  samples are sometimes accurate representations of the population but can\'t always be used to generalize  As a distribution of scores becomes more variable, the value of the standard deviation  decreases  stays the same  increases  becomes unpredictable  Within a distribution of scores, measures of dispersion provide an indication of:  the number of cases which are unsatisfactory  variety  the size of the sample  the adequacy of the selection criteria for the sample  Your score on the test is the same as the third quartile (Q3). You may conclude that:  you scored higher than 75% of the people who took the test  the distribution of the scores is skewed  your score is \"typical\" since it is the same value as the median  you scored higher than 25% of the people who took the test  The median of a distribution of scores represents the score that is: 
  
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