When data is arranged in ascending or descending order, it can be divided into various parts by different values such as quartiles, deciles and percentiles. These values are collectively called quantiles and are the extension of median formula which divides data into two equal parts. Since the basic purpose of these partition values is to divide data into different parts therefore a relationship exists between them. This relationship is given below and is elaborated with the help of simple problems.
Problem: In a work study investigation, the times taken by 20 men in a firm to do a particular job were tabulated as follows:
Prove that:
In case of frequency distribution, quartiles can be calculated by using the formula:
In case of frequency distribution, deciles can be calculated by using the formula:
In case of frequency distribution, percentiles can be calculated by using the formula:
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Thank so much I really appreciate ur generosity
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Thanks for sharing such valuable data...
Hey! you are such an asset to the society. Keep up the good work.you have made the subject to look very simple but detailed.
great job. but i just have a question, how did you come to a conclusion that 10th value is in interval, 13.5-16.5? thanks.
Very good explanations.
I didnt get, how do i calculate the Quartile frequency as in how many elements are in Q1,Q2,Q3,Q4 to add up to N.
Mail me the answer
Thanks for this. This will help me to reduce the size of my report by grouping the sample size.
Thanks Bro .. it really helped me .... :*
AWESOME :)
Thanks
ty po 2 this info...^-^