According to the rules for a frequency distribution
00
The top row of cf must be the sample size and the top row of c%
must be 100%.
Calculate cf from the bottom, up.
Calculate cf from the top, down.
Observations are listed from highest to lowest.
Observations or intervals can have no gaps and no overlaps.
The first and last row of the frequency column cannot be zero.
Observations are listed from lowest to highest.