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Explain how to identify outliers using the interquartile range

Elementary Statistics: Picturing the World | 6th Edition | ISBN: 9780321911216 | Authors: Ron Larson; Betsy Farber ISBN: 9780321911216 66

Solution for problem 5 Chapter 2.5

Elementary Statistics: Picturing the World | 6th Edition

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Elementary Statistics: Picturing the World | 6th Edition | ISBN: 9780321911216 | Authors: Ron Larson; Betsy Farber

Elementary Statistics: Picturing the World | 6th Edition

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Problem 5

Explain how to identify outliers using the interquartile range.

Step-by-Step Solution:
Step 1 of 3

Sampling Distribution of P hat 1. Center­ P= mean of p hat 2. Spread Standard deviation of p hat = Square root over all (P(1­P)/n) 3. Shape­ p hat is “normal” meaning n multiplied by p or n(1­p) has to be greater or equal to ten. Should be bell­shaped. General Margin of error: Confidence level multiplier multiplied by standard error Hoping that the statistic is not wrong by more than the margin of error guessed Statistic: Guessing the parameter. Never know how wrong you might guess Standard error: approximation of standard deviation of p hat P hat = square root over all (p hat (1­p hate)/n) Confidence level population proportion 1. Statistic­ p h

Step 2 of 3

Chapter 2.5, Problem 5 is Solved
Step 3 of 3

Textbook: Elementary Statistics: Picturing the World
Edition: 6
Author: Ron Larson; Betsy Farber
ISBN: 9780321911216

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Explain how to identify outliers using the interquartile range