A difference in elevation between A and B was observed four times as 44.07, 44.03, 44.11, and 44.01 ft. The observations were given weights of 2, 1, 3, and 2, respectively, by the observer. 4 Part A Calculate the weighted mean for distance AB. Express your answer in feet to five significant figures. ABw= ΜΕ ΑΣΦ vec Submit Request Answer Part B ? Calculate the weighted mean for distance AB if the weights were revised to 2,3,1, and 1, respectively. Express your answer in feet to five significant figures. ABW = V ΑΣΦ vec ?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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A difference in elevation between A and B was observed four times as 44.07, 44.03, 44.11, and 44.01 ft. The
observations were given weights of 2, 1, 3, and 2, respectively, by the observer.
4
Part A
Calculate the weighted mean for distance AB.
Express your answer in feet to five significant figures.
ABw=
ΜΕ ΑΣΦ
vec
Submit
Request Answer
Part B
?
Calculate the weighted mean for distance AB if the weights were revised to 2,3,1, and 1, respectively.
Express your answer in feet to five significant figures.
ABW
=
V
ΑΣΦ
vec
?
Transcribed Image Text:A difference in elevation between A and B was observed four times as 44.07, 44.03, 44.11, and 44.01 ft. The observations were given weights of 2, 1, 3, and 2, respectively, by the observer. 4 Part A Calculate the weighted mean for distance AB. Express your answer in feet to five significant figures. ABw= ΜΕ ΑΣΦ vec Submit Request Answer Part B ? Calculate the weighted mean for distance AB if the weights were revised to 2,3,1, and 1, respectively. Express your answer in feet to five significant figures. ABW = V ΑΣΦ vec ?
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