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Can all quartiles and deciles be expressed in percentiles?
yes! Since Q1 = P25 Q2=P50 Q3=P75 Similarly, D1=P10 D2=P20 . . . D9=P90 Where, Q1, Q2, Q3 are lower, median and upper quartiles respectively Dn are the deciles Good Luck~! Sehrish
What are percentiles?
p10 eguals
How is the process of determining percentiles different if you were given a sample mean rather than individual raw score?
It is impossible to determine the percentiles if you are given only the sample mean since percentiles are a measure of the spread of the data; the mean gives no information on that.
What type of data would be analyzed for a pie chart?
Percentiles or parts of a whole.
In real life situation can use of decile?
Yes, you can. Some exams results, for example, set deciles for various grades.
Why does it make sense to have 120th percentile of a data set?
It doesn't. Percentiles are between 0% and 100%.
What do the percentiles on the psat score report mean?
how students compare with other psat test takers
How are deciles related to percentile?
D1=P10; D2=P20;D3=P30, and so on. For every one decile you multiply by 10 to get the percentile.
What measures are not affected by outliers?
Median, mode, quartiles, quintiles and so on, except when you get to very large number of percentiles.
What are the percentiles of people today suffering with anorexia?
An estimated 1 in every 250 people suffers from anorexia or commonly exhibits anorexic-like tendencies.
What is a Measure of spread about the mean?
Standard error, standard deviation, variance, range, inter-quartile range as well as measures based on other percentiles.
What is a healthy weight for an ten year old?
Try using this Children's growth chart percentiles calculator: http://pediatrics.about.com/cs/usefultools/l/bl_kids_centils.htm
