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.
1 Put the numbers in numerical order (in a frequency table this will already be done). 2  Count the total amount of numbers and add one. 3  Divide this by 2 to find the nth result. 4  Find the nth result in the numerically ordered list or frequency table.  You will then be able to find the median in the set of results.