When dealing with Quadratic Regression, what is one of the first things that needs to be done on the graphing calculator? a. graph b. label the graph c. create a scatterplot d. calculate the quadratic regression

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.

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