a)Find correlation coefficient to the set of data. Round the answer to 4 decimal places, if necessary. 
r = __________ b)Find correlation coefficient to the set of data. Round the answer to 4 decimal places, if necessary. 
r = __________ c)Find correlation coefficient to the set of data. Round the answer to 4 decimal places, if necessary. 
r = __________ Use correlation coefficients to determine which of the given sets of data is best fit by its associated regression line. __________ Use correlation coefficients to determine which of the given sets of data is worst fit by its associated regression line. __________ Is it a perfect fit for any of the data sets? __________
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