The percentile rank of a particular score is defined as the percentage of the scores in a distribution which are at or below the particular score. It is possible to determine some percentile ranks directly from the frequency distribution table, provided that the percentile ranks are percentages that appear in the table.hen a score is identified by its percentile rank, the score is called a percentile. It is also possible to determine some percentiles directly from the frequency distribution table, provided that the percentiles are upper real limits of a category.
To divide a decimal by a whole number, divide as you would for whole numbers; and place a decimal point in the answer so that it lines up with the decimal point in the dividend.
1 The number to the left of the decimal is an ordinary whole number. 2  The first number to the right of the decimal is the number of tenths (1/10's). 3  The second is the number of hundredths (1/100's) and so on. 4  So, for the number 1.5, this is a shorthand way of writing the mixed number 1 5/10.