Define cation exchange: ion exchange in which one cation (as sodium or hydrogen) is substituted for one or more other cations (as calcium andâ¦ ion exchange in which one cation (as sodium or hydrogen) is substituted for one or more other cations (as calcium and magnesium in hard water)â¦ See the full definition since 1828
If you would like a column of evenly-spaced values, such as for frequency bins, Excel can fill them in for you. Put the first two values in and highlight those two cells. Click on the lower right-hand corner and drag downward; Excel will continue the pattern you began.
Frequency Polygons. A frequency polygon is another way to show the information in a frequency table. It looks a little bit like a line graph. To make a frequency polygon, you just need to plot a few points and then join the points by straight lines.requency Polygons. A frequency polygon is another way to show the information in a frequency table. It looks a little bit like a line graph. To make a frequency polygon, you just need to plot a few points and then join the points by straight lines.