The ideal length of a particular metal rod is 30.5 cm the measure length may vary from the ideal length by at most 0015 cm what is the range of acceptable lengths for the rod

3rd box is the answer

step-by-step explanation:

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.