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# Answer: Estimating Standard Deviation with the Range Rule

## Problem 30BSC Chapter 3.3

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition

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Problem 30BSC

Estimating Standard Deviation with the Range Rule of Thumb. In Exercises,refer to the data in the indicated exercise. After finding the range of the data, use the range ruh of thumb to estimate the value of the standard deviation. Compare the result to the standard deviation computed with all of the data.

Flight Data Refer to Data Set 15 and use the times required to taxi out for takeoff.

Step-by-Step Solution:

 Taxi out(x) (x-) 30 102.2121 19 0.7921 12 62.2521 19 0.7921 18 3.5721 22 4.4521 37 292.7521 13 47.4721 14 34.6921 15 23.9121 31 123.4321 15 23.9121 16 15.1321 14 34.6921 15 23.9121 27 50.5521 19 0.7921 22 4.4521 Total=358 849.78

Step 1 of 3</p>

Range=Largest value-Smallest value

=37-12

=25

Standard deviation with range rule of thumb=Range/4

=25/4

=6.25

Step 2 of 3</p>

=

=

=19.89

Variance=

=

=47.21

Step 3 of 3

##### ISBN: 9780321836960

The full step-by-step solution to problem: 30BSC from chapter: 3.3 was answered by , our top Statistics solution expert on 03/15/17, 10:30PM. Since the solution to 30BSC from 3.3 chapter was answered, more than 259 students have viewed the full step-by-step answer. This full solution covers the following key subjects: data, range, standard, deviation, thumb. This expansive textbook survival guide covers 121 chapters, and 3629 solutions. The answer to “Estimating Standard Deviation with the Range Rule of Thumb. In Exercises,refer to the data in the indicated exercise. After finding the range of the data, use the range ruh of thumb to estimate the value of the standard deviation. Compare the result to the standard deviation computed with all of the data.Flight Data Refer to Data Set 15 and use the times required to taxi out for takeoff.” is broken down into a number of easy to follow steps, and 68 words. Elementary Statistics was written by and is associated to the ISBN: 9780321836960. This textbook survival guide was created for the textbook: Elementary Statistics, edition: 12th.

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Answer: Estimating Standard Deviation with the Range Rule

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