Homework_11_corrected

Homework_11_corrected - B X 63 3430 94 3920 45 1215 40 0905...

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Unformatted text preview: B X 63 3430 94 3920 45 1215 40 0905 A C Spring 2010 CEE 291 PROBLEM SOLVING WITH COMPUTER TOOLS Homework 11 1. Distance and angle measurements and their estimated standard deviations (see table below) were measured for the closed, 4-sided traverse, ABCDA. Station occupied Station sighted Distance, ft , ft Station backsighte d Station occupied Station foresighted Angle A B 227.40 0.022 A B C 85 3731 6 B C 377.87 0.022 B C D 52 4640 4 C D 237.57 0.022 C D A 137 0257 2 D A 220.04 0.022 D A B 84 3237 9 a. If each angle was measured twice, do the angles meet closure limits at 95% confidence level? b. If the azimuth for AB is 116 2750, what are the azimuths and their estimated standard errors for BC, CD, and DA? c. Determine the actual and estimated linear misclosures of the traverse and the 95% probable traverse misclosure error. Does the traverse meet acceptable closure limits at a 95% confidence level? Justify your misclosure error....
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This note was uploaded on 05/04/2010 for the course CEE 291 taught by Professor Hoopes during the Spring '10 term at Wisconsin.

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Homework_11_corrected - B X 63 3430 94 3920 45 1215 40 0905...

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