Question
Consider two completely different data sets: price per gallon of gas in Fort Pierce and SAT scores of students at a certain high school. The
Consider two completely different data sets: price per gallon of gas in Fort Pierce and SAT scores of students at a certain high school.
The price per gallon of gas data set has a mean of $2.54 and a standard deviation of $1.19.
The high school SAT scores data set has a mean of 1069 and a standard deviation of 160.
Calculate the Coefficient of Variation for both data sets. Round solutions to one decimal place, if necessary.
Coefficient of Variation for the price per gallon of gas data set:%
Coefficient of Variation for high school SAT scores data set:%
Which data set has greater variability?
Price per gallon of gas
Highschool SAT scores
Unable to determine
Thus, we see that when comparing two data sets, the data set with the larger standard deviationSelect an answer
does not
does
necessarily have greater variabilty.
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