Do this problem using Excel. The following data were obtained in calibrating a calcium ion electrode for the determination of pCa. A linear relationship between the potential and pCa is known to exist. pCa = - log [Ca²*] E, mV 5.00 - 53.8 4.00 - 27.7 3.00 + 2.7 2.00 + 31.9 1.00 + 65.1 a. Plot the data and draw a line through the points by eye. b. Find the least-squares expression for the best straight line among the points. Plot this line. c. Do an ANOVA and report the statistics given in the ANOVA table. Comment on the meaning of the ANOVA statistics. d. Calculate the pCa of a serum solution in which the electrode potential was 15.3 mV. Find the absolute and relative standard deviations for pCa if the result was from a single voltage measurement.
Do this problem using Excel. The following data were obtained in calibrating a calcium ion electrode for the determination of pCa. A linear relationship between the potential and pCa is known to exist. pCa = - log [Ca²*] E, mV 5.00 - 53.8 4.00 - 27.7 3.00 + 2.7 2.00 + 31.9 1.00 + 65.1 a. Plot the data and draw a line through the points by eye. b. Find the least-squares expression for the best straight line among the points. Plot this line. c. Do an ANOVA and report the statistics given in the ANOVA table. Comment on the meaning of the ANOVA statistics. d. Calculate the pCa of a serum solution in which the electrode potential was 15.3 mV. Find the absolute and relative standard deviations for pCa if the result was from a single voltage measurement.
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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Hi! please answer letter D, since letter A-C is already answered.
![Do this problem using Excel. The following data were obtained in calibrating a
calcium ion electrode for the determination of pCa. A linear relationship between the
potential and pCa is known to exist.
pCa = - log [Ca²*]
E, mV
5.00
- 53.8
4.00
- 27.7
3.00
+ 2.7
2.00
+ 31.9
1.00
+ 65.1
a. Plot the data and draw a line through the points by eye.
b. Find the least-squares expression for the best straight line among the points. Plot
this line.
c. Do an ANOVA and report the statistics given in the ANOVA table. Comment on
the meaning of the ANOVA statistics.
d. Calculate the pCa of a serum solution in which the electrode potential was 15.3
mV. Find the absolute and relative standard deviations for pCa if the result was
from a single voltage measurement.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe6012cc5-f5c3-4286-be91-3a262ce756da%2Fe9fea7cd-9e96-4f1a-97ce-15f3e248224c%2Fcpdv3lq_processed.png&w=3840&q=75)
Transcribed Image Text:Do this problem using Excel. The following data were obtained in calibrating a
calcium ion electrode for the determination of pCa. A linear relationship between the
potential and pCa is known to exist.
pCa = - log [Ca²*]
E, mV
5.00
- 53.8
4.00
- 27.7
3.00
+ 2.7
2.00
+ 31.9
1.00
+ 65.1
a. Plot the data and draw a line through the points by eye.
b. Find the least-squares expression for the best straight line among the points. Plot
this line.
c. Do an ANOVA and report the statistics given in the ANOVA table. Comment on
the meaning of the ANOVA statistics.
d. Calculate the pCa of a serum solution in which the electrode potential was 15.3
mV. Find the absolute and relative standard deviations for pCa if the result was
from a single voltage measurement.
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