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describes the terms needed to know for the unit 7, 7/PA

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
mode   value or values that occure the most in a set of data  
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range   difference betweeen greatest value and smallest value in a set of data  
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mean   average the su of the data values divded by the number of data items  
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median   middel value when data is aranged in order  
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population   entire group you want to get information about  
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what are two type of samples you can give and elaborate on?   self-selected__volunteer conveniene__easiest to gather data from!  
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interquartile range   upper quartile minus lower quartile  
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UPPPER QUARTILLLE   median of the data excluding the median and below.  
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