Find Percentile 30 and Percentile 35. Base your answer from the formula provided.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
ChapterP: Prerequisites
SectionP.2: Real Numbers
Problem 90E
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Find Percentile 30 and Percentile 35. Base your answer from the formula provided. 

CLASS INTERVAL
25-29
20-24
15-19
10-14
5-9
P=L+C [(F) (N) - fc]
FW
P= Desired Quantile
L= Lower boundary of desires quantile
C= Class width
= 22.625
Example: Decile
D8= 19.5 = 5 [(8/10) (30) - 19]
8
f
F= Fraction of Quantile
N= Total of number of values
fc= <cf of the class interval lower than quantile class
fw= frequency of quantile class
Find D1 and D2
3
8
10
5
4
<cf
30
27
19
9
4
Transcribed Image Text:CLASS INTERVAL 25-29 20-24 15-19 10-14 5-9 P=L+C [(F) (N) - fc] FW P= Desired Quantile L= Lower boundary of desires quantile C= Class width = 22.625 Example: Decile D8= 19.5 = 5 [(8/10) (30) - 19] 8 f F= Fraction of Quantile N= Total of number of values fc= <cf of the class interval lower than quantile class fw= frequency of quantile class Find D1 and D2 3 8 10 5 4 <cf 30 27 19 9 4
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