75th Percentile – Also known as the third, or upper, quartile. The 75th percentile is the value at which 25% of the answers lie above that value and 75% of the answers lie below that value. What does it mean if you are in the 75th percentile? If a child’s weight is at the 50th […]

For example, if a 4-year-old boy’s weight is in the 10th percentile, that means that 10% of boys that age weigh less than he does and 90% of boys that age weigh more. Being in a high or a low percentile doesn’t necessarily mean that a child is healthier or has a growth or weight […]

If a child’s weight is at the 50th percentile line, that means that out of 100 normal children her age, 50 will be bigger than she is and 50 smaller. Similarly, if she is in the 75th percentile, that means that she is bigger than 75 children and smaller than only 25, compared with 100 […]

In statistics, a k-th percentile (percentile score or centile), denoted. , is a score below which a given percentage k of scores in its frequency distribution falls (exclusive definition) or a score at or below which a given percentage falls (inclusive definition). What does it mean to be in the 95th percentile? A nice property […]

For example, the 20th percentile is the value (or score) below which 20% of the observations may be found.The 25th percentile is also known as the first quartile (Q1), the 50th percentile as the median or second quartile (Q2), and the 75th percentile as the third quartile (Q3). Is a 20th percentile bad? Percentile indicates […]

A baby on the 5th percentile weighs less than 95% of other babies of that age. A baby on the 90th percentile weights more than 90% of other babies that age. What percent is the 5th percentile? To find the 5th percentile for Z (or the cutoff point where 5% of the population lies below […]

The most common definition of a percentile is a number where a certain percentage of scores fall below that number.for example, the 70th percentile on the 2013 GRE was 156. That means if you scored 156 on the exam, your score was better than 70 percent of test takers. Is being in the 70th percentile […]

90%. n. the location of a score in a distribution expressed as the percentage of cases in the data set with scores equal to or below the score in question. Thus, if a score is said to be in the 90th percentile, this means that 90% of the scores in the distribution are equal to […]

90%. If you know that your score is in the 90th percentile, that means you scored better than 90% of people who took the test.That means if you scored 156 on the exam, your score was better than 70 percent of test takers. The 25th percentile is also called the first quartile. Is 90th percentile […]

A percentile is the value at a particular rank. For example, if your score on a test is on the 95th percentile, a common interpretation is that only 5% of the scores were higher than yours. The median is the 50th percentile; it is commonly assumed that 50% the values in a data set are […]