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In Exercises, use the same list of 24 sorted | Ch 3.4 - 25BSC

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola ISBN: 9780321836960 18

Solution for problem 25BSC Chapter 3.4

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

Elementary Statistics | 12th Edition

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Problem 25BSC

 

In Exercises, use the same list of 24 sorted Old Faithful eruption duration times given for Exercises. Find the indicated percentih or quartih.

P50

Step-by-Step Solution:
Step 1 of 3

Solution 25BSC

We know that, the locator for finding the value corresponding to the given Percentile in the sorted list of the given data found by

Where  be the total number of observations in the given data set,  be the percentile being used, and  be the locator that gives the position of a value in the given data set.

Thus, the location of 50th Percentile  is

The obtained locator value is 12. The value of 50th Percentile  is midway between the  value and the next value in the original data set. That is, the value of 50th percentile is midway between the 12th and 13th value. Therefore, the 50th percentile is,

Hence, the 50th percentile is 247.5

Step 2 of 3

Chapter 3.4, Problem 25BSC is Solved
Step 3 of 3

Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

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In Exercises, use the same list of 24 sorted | Ch 3.4 - 25BSC