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Recent questions in Percentile Rank
High school statisticsAnswered question
Darryl English 2022-07-22Use the frequency table that you constructed in question number 3 to find the percentile rank.
What is the percentile rank of Age of 45. Round up to two numbers after the decimal point in percentile rank.
What is the percentile rank of Age of 45. Round up to two numbers after the decimal point in percentile rank.
High school statisticsAnswered question
Libby Owens 2022-07-22The average score on your Math Exams was 75 with a standard deviation of 20. Assuming the scores are normally distributed. If your corresponding z-score was 1.5, and your corresponding raw score is 105, what is the percentile rank?
High school statisticsAnswered question
valtricotinevh 2022-07-22The commute time for Cypress College students who drive from their home to the college follows a normal distribution with a mean of 26 minutes and a standard deviation of 8 minutes. If it takes a student 15 minutes to get to school, what would the percentile ranking for this student's commute time be?
High school statisticsAnswered question
agantisbz 2022-07-21Baby Sofia is 6 months old. Her father takes her to her medical appointment at his neighbourhood family clinic. After Sofia is measured, her father is informed that she measures 68 cm, like 5 other babies who visit this clinic. In addition, he is told that 40 babies are bigger than her and that a total of 185 babies are being followed at the clinic. m What is Sofia's percentile rank at this clinic in relation to her height?
High school statisticsAnswered question
capellitad9 2022-07-21In a class of 80 students, Heather has a rank of 16. At what percentile is she?
High school statisticsAnswered question
Alonzo Odom 2022-07-17A test has a total score out of 150. The results achieved by the class of 17 students are listed. Calculate the percentile rank of a score of 116. Round to the nearest percent. 112, 98, 72, 77, 86, 116, 59, 103, 116, 132, 146, 125, 119, 108, 96, 122, 134
High school statisticsAnswered question
Zoagliaj 2022-07-17A class of 135 students took a final examination in mathematics. The scores were normally distributed with a mean score of 68% and a standard deviation of 8.5%. Determine the percentile rank of each of the following people:
(a) Jennifer, who scored 78 %
(b) Steven, who got 55 %
(c) Jessica, who was very happy with her mark of 89 %
(a) Jennifer, who scored 78 %
(b) Steven, who got 55 %
(c) Jessica, who was very happy with her mark of 89 %
The percentile rank of a score is the percentage of scores in its frequency distribution that are equal to or less than it. The percentile rank formula is used to find the performance of a student in a class of 100. To calculate percentile rank, you need to know the score, the mean, and the standard deviation. You can use the percentile rank formula to find the percentile rank of any score. If you have questions about percentile rank, you can ask a math teacher or tutor for help.
