Answered: Three trials of the measured angle…

Three trials of the measured angle between two points x and y were observed and the following data were recorded. TRIALS MEASURED ANGLE TIME 40°31' 9:00:00 40°34' 9:02:00 40°36' 9:04:30 23

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Errors in surveying

An error in surveying is defined as the difference between two or more values of an identical quantity. However, the estimates are never accurate and there will always be a degree of variability regardless of the research tool or method used. These differences are known as errors that need to be reduced or eliminated to maintain certain levels of accuracy. Even if you carefully follow the prescribed test procedures, the considerations may contain errors.

Question

Find the following:

1. Find the probable error

2. Find the standard deviation.

3.Find the standard error.

Find the standard error.

Three trials of the measured angle between two points x and y were
observed and the following data were recorded.
TRIALS MEASURED ANGLE
TIME
1
40°31'
9:00:00
2
40°34'
9:02:00
3
40°36'
9:04:30

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