The diameters of 100 rods produced by Rodco are listed in the file ...

     The   diameters of 100 rods produced by Rodco are   listed in the file   P03_18.xlsx. Based on these data, you   can be approximately 99.7%   sure that the diameter of   a typical rod will be between   what two numbers?          Diameter   (x) Frequency (f)   1.37 1   1.371 1   1.372 2   1.373 4   1.374 3   1.375 6   1.376 16   1.377 14   1.378 24   1.379 14   1.38 9   1.381 4   1.382 1   1.383 1