Parameter or Statistic?
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What is the difference between a parameter and a statistic?

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What is the difference between discrete data and continuous data?

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A sample of households in Burlington is selected and the average (mean) number of people per household is 2.58. Is 2.58 a parameter or a statistic? Why or why not?

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Of all 2,223 passengers aboard the Titanic only 706 survived when it sank. Are 2,223 and 706 parameters or a statistics? Why or why not?