Historically, reinforced concrete structures used externally bonded steel plates to add strength and support. Recently, fiber reinforced polymer (FRP) plates have been used instead of steel plates because of their superior properties. In the article "Interfacial Bond Strength Characteristics of FRP and RC Substrate” (J. of Compos. Constr., 2012: 35–43), investigators developed a method to mathematically model bond strength between a carbon FRP and a concrete substrate. For each of 15 carbon FRP-concrete samples, the article reported the maximum transferable load (kN) calculated by the model and compared this with the corresponding maximum transferable load (kN) as measured in the laboratory. The data is given here: Calc: Meas: 14.2 13.7 16.0 13.7 16.5 15.4 15.9 15.4 18.8 16.2 17.9 16.3 13.1 13.7 15.4 16.2 Calc: Meas: 14.3 13.4 21.4 21.4 17.6 14.8 8.6 7.4 10.3 7.4 11.9 14.7 18.7 18.2 a. Construct a scatterplot of the data. Does it seem to be the case that, in general, when the measured load is low (high), the calculated load is also low (high)? For each sample, are the two variables relatively close in value?
Historically, reinforced concrete structures used externally bonded steel plates to add strength and support. Recently, fiber reinforced polymer (FRP) plates have been used instead of steel plates because of their superior properties. In the article "Interfacial Bond Strength Characteristics of FRP and RC Substrate” (J. of Compos. Constr., 2012: 35–43), investigators developed a method to mathematically model bond strength between a carbon FRP and a concrete substrate. For each of 15 carbon FRP-concrete samples, the article reported the maximum transferable load (kN) calculated by the model and compared this with the corresponding maximum transferable load (kN) as measured in the laboratory. The data is given here: Calc: Meas: 14.2 13.7 16.0 13.7 16.5 15.4 15.9 15.4 18.8 16.2 17.9 16.3 13.1 13.7 15.4 16.2 Calc: Meas: 14.3 13.4 21.4 21.4 17.6 14.8 8.6 7.4 10.3 7.4 11.9 14.7 18.7 18.2 a. Construct a scatterplot of the data. Does it seem to be the case that, in general, when the measured load is low (high), the calculated load is also low (high)? For each sample, are the two variables relatively close in value?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Could you please help me with the steps to create a scatter plot preferably in R code, thank you.
Transcribed Image Text:Historically, reinforced concrete structures used externally bonded steel plates to add
strength and support. Recently, fiber reinforced polymer (FRP) plates have been used instead of
steel plates because of their superior properties. In the article "Interfacial Bond Strength
Characteristics of FRP and RC Substrate" (J. of Compos. Constr., 2012: 35–43), investigators
developed a method to mathematically model bond strength between a carbon FRP and a
concrete substrate. For each of 15 carbon FRP-concrete samples, the article reported the
maximum transferable load (kN) calculated by the model and compared this with the
corresponding maximum transferable load (kN) as measured in the laboratory. The data is given
here:
Calc: Meas:
14.2 13.7
16.0
13.7
16.5
15.4
15.9 15.4
18.8
16.2
17.9
16.3
13.1
13.7
15.4
16.2
Calc: Meas:
14.3
13.4
21.4 21.4
17.6
14.8
8.6
7.4
10.3
7.4
11.9
14.7
18.7
18.2
a. Construct a scatterplot of the data. Does it seem to be the case that, in general, when the
measured load is low (high), the calculated load is also low (high)? For each sample, are the two
variables relatively close in value?
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