1. Quantitative Chemical Analysis
Daniel C. Harris
Quantitative Chemical Analysis
Seventh Edition
Chapter 4
Statistics
Copyright © 2007 by W. H. Freeman and Company

2. mean
Standard
deviation

6. A Gaussian curve in which μ = 0 and σ = 1
A Gaussian curve in which μ = 0 and σ = 1. A Gaussian curve whose area is unity is called a normal error curve.
In this case, the abscissa, x, is equal to z, defined as z = (x − μ)/σ.

9. HOW CLOSE IS YOUR MEASURED AVERAGE TO THE REAL VALUE?

14. Federal official vote for the state of Florida (25 electoral votes)
Presidential Candidate
Vote Total %
Party
George W. Bush (W)
2,912,790
48.847
Republican
Al Gore
2,912,253
48.838
Democratic
Ralph Nader
97,421
1.634
Green
Patrick J. Buchanan
17,484
0.293
Reform
Harry Browne
16,415
0.275
Libertarian
John Hagelin
2,281
0.038
Natural Law/Reform
Howard Phillips
1,378
0.023
Constitution
Other
3,028
0.051 —
Total
5,963,110
Source: 2000 OFFICIAL PRESIDENTIAL GENERAL ELECTION RESULTS

16. CAN YOU THROW OUT
OUTLAYERS?

19. 0.11/0.2 = 0.55
For 5 measurements Q = 0.65
So……..
KEEP!

20. WHAT LINE CAN YOU DRAW
THROUGH THE POINTS??

21. WHAT LINE CAN YOU DRAW
THROUGH THE POINTS??

24. calibration
(-blanks)

25. Standard addition

26. Standard addition

27. Standard addition

28. Internal standard

29. calibration
(-blanks)
Internal standard
Standard addition