ch6sometechniquesofcalculation-2.studentview

Ch6sometechniquesofcalculation 2studentview

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Unformatted text preview: Chapter 6 :Some techniques of Calculation Chapter A: Tricks for 50FH Example1: Find µ and x f 3 σ for the data set: 7 4 2 4 -8.3 6.5 12.4 7.1 -3.9 Total Solution: ON MODE 3 COMP MODE SD ON - 8.3 SHIFT ; 3 DT………………7.1 SHIFT ; 2 DT 8.3 - 3 .9 SHIFT ; 4 DT .9 SHIFT S-SUM n EXE 20 = N SHIFT S-VAR x EXE 3.44 = µ SHIFT S-VAR xσn EXE 7.2196 = σ ∴ =3.44, σ =7.2196 µ Example 2: Example x f -8.3 3 6.5 7 12.4 (wrong) 4 7.1 2 (wrong) -3.9 4 Total 20 In the above data set, it has been discovered that 2 errors have been made. x3 should be 2.4 and f 4 should be 12. have Find the correct µ and σ Find Solution: Solution x f -8.3 3 6.5 7 2.4 4 7.1 12 -3.9 4 ∆ 12 ∆ Total 30 Continue the above program:...
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This note was uploaded on 04/22/2011 for the course STAT 301 taught by Professor Gabrille during the Spring '11 term at HKU.

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