Assuming a linear relationship between the variables, find the least-squares estimates of the slope and intercept. What is the equation of the line? (answer in slope-intercept form, y=mx+b) The data in the table below wereobtained during a determination of leadin lake water by atomic absorptionspectrometryLead concentration,Absorbance,mg/LA0.00.0022.00.1504.00.2946.00.4348.00.57010.00.704

To find the equation of line, first input data in excel sheet then make a scatter plot for that data…

The data in the table below were obtained during a determination of lead in lake water by atomic absorption spectrometry Lead concentration, Absorbance, mg/L A 0.0 0.002 2.0 0.150 4.0 0.294 6.0 0.434 8.0 0.570 10.0 0.704

The data in the table below were obtained during a determination of lead in lake water by atomic absorption spectrometry Lead concentration, Absorbance, mg/L A 0.0 0.002 2.0 0.150 4.0 0.294 6.0 0.434 8.0 0.570 10.0 0.704

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter10: Atomic Emission Spectrometry

Section: Chapter Questions

Problem 10.8QAP

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Concept explainers

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.

Question

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Assuming a linear relationship between the variables, find the least-squares estimates of the slope and intercept. What is the equation of the line? (answer in slope-intercept form, y=mx+b)

The data in the table below were
obtained during a determination of lead
in lake water by atomic absorption
spectrometry
Lead concentration,
Absorbance,
mg/L
A
0.0
0.002
2.0
0.150
4.0
0.294
6.0
0.434
8.0
0.570
10.0
0.704

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