Quantitative variable, Basic Statistics

a) Statistics are collecting, organizing, summarizing and presenting a set of data.

b)  Inferential statistics is the learn of a sample that enables us to make estimates about the population from which the sample is drawn.

c)  A "thickness of a sheet" of sheet metal used in manufacturing process is an example of a  quantitative variable.

d)  There are 2000 students in a school. Randomly, 300 were chosen for an option survey.The 300 students can be organized as the population.

 

Posted Date: 3/28/2013 2:21:56 AM | Location : United States







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