Lab 10-F2009

Lab 10-F2009 - IE 361 Lab#10/ Two-Way Analysis of a Paper...

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1 IE 361 Lab#10/ Two-Way Analysis of a Paper Helicopter Experiment _____________________ ( N a m e ) Below are some data collected by one team in the helicopter study of Lab #9. This lab consists of making a two-way analysis of these data. Recall that in Lab #9 we called the helicopter designs Type 1,2,3, and 4 according to: Type 1 -- "regular tail" and 1 paper clip Type 2 -- "regular tail" and 2 paper clips Type 3 -- "short tail" and 1 paper clip Type 4 -- "short tail" and 2 paper clips Type 's y y s 1 1.66 1.63 1.59 1.627 .0351 2 1.42 1.40 1.45 1.423 .0252 3 1.64 1.62 1.58 1.613 .0306 4 1.35 1.40 1.36 1.370 .0265 and it is possible to verify that for these data pooled .0296 sec s = . Reorganize the 4 sample means into the table below and fill in the row, column, and grand averages of these sample means. Number of Clips 1 2 Regular 11 y = 12 y = 1. y = Tail Short 21 y = 22 y = 2. y = .1 y = .2 y = .. y = a) What is a "margin of error" for each sample mean based on 95% two-sided confidence limits for the corresponding design type mean flight times? (Note that 12 4 8 nr =− = .)

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This document was uploaded on 02/11/2012.

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Lab 10-F2009 - IE 361 Lab#10/ Two-Way Analysis of a Paper...

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