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

2. mean Standard deviation

6. 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 CandidateVote Total%Party George W. BushGeorge W. Bush (W)2,912,79048.847Republican Al Gore2,912,25348.838Democratic Ralph Nader97,4211.634Green Patrick J. Buchanan17,4840.293Reform Harry Browne16,4150.275Libertarian John Hagelin2,2810.038Natural LawNatural Law/ReformReform Howard Phillips1,3780.023Constitution Other3,0280.051— Total5,963,110 Source: 2000 OFFICIAL PRESIDENTIAL GENERAL ELECTION RESULTS2000 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

28. Internal standard

29. Standard addition calibration (-blanks)