Rose, OK. Sponsored Topics. Rose is a small unincorporated rural community in southeastern Mayes County, Oklahoma, United States, on Scenic U.S. Highway 412. The post office was established March 13, 1891, with David Ragsdale as the postmaster. The ZIP Code is 74364. The community was said to have been named for Rowe's Prairie, which is nearby.
The formula below is used to compute percentiles of a normal distribution. where Î¼ is the mean and Ï is the standard deviation of the variable X, and Z is the value from the standard normal distribution for the desired percentile. Example:1  The mean BMI for men aged 60 is 29 with a standard deviation of 6.2  The mean BMI for women aged 60 the mean is 28 with a standard deviation of 7.here Î¼ is the mean and Ï is the standard deviation of the variable X, and Z is the value from the standard normal distribution for the desired percentile. Example: 1  The mean BMI for men aged 60 is 29 with a standard deviation of 6. 2  The mean BMI for women aged 60 the mean is 28 with a standard deviation of 7.
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.