A spectrometer was used to measure the light absorbed by three standard solutions containing different concentrations of K2Cr207. The following data was obtained. Absorbance 0.162 0.320 0.486 [Cr] (ppm) 5.1 10.0 14.9 The equation of the straight line generated using the method of least squares is: y = 0.0331x - 0.0086. Use this information to find the standard deviation of the slope of the line expressed to the proper number of significant figures. O a.m = 0.0331 (±0.0045) b.m = 0.033 (20.004) Ocm= 0.0331 (±0.0001) %3D O d.m = 0.0331 (20.0101)

A spectrometer was used to measure the light absorbed by three standard solutions containing different concentrations of K2Cr207. The following data was obtained. Absorbance 0.162 0.320 0.486 [Cr] (ppm) 5.1 10.0 14.9 The equation of the straight line generated using the method of least squares is: y = 0.0331x - 0.0086. Use this information to find the standard deviation of the slope of the line expressed to the proper number of significant figures. O a.m = 0.0331 (±0.0045) b.m = 0.033 (20.004) Ocm= 0.0331 (±0.0001) %3D O d.m = 0.0331 (20.0101)

Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter2: Exponential, Logarithmic, And Trigonometric Functions

Section2.CR: Chapter 2 Review

Problem 111CR: Respiratory Rate Researchers have found that the 95 th percentile the value at which 95% of the data...

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