4-4 Comparison of Standard Deviations with the F test

Presentation on theme: "4-4 Comparison of Standard Deviations with the F test"— Presentation transcript:

1 4-4 Comparison of Standard Deviations with the F test

2 4-5 t Test with a Spreadsheet

3 4-6 Grubbs Test for an Outlier

4 4-7 The Method of Least Square

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6 Assumption of the Least-Squares Method

7 1. The slope of the line, m :           2. The intercept, b :             3. The standard deviation about regression, sr :                4. The standard deviation of the slope, sm :             5. The standard deviation of the intercept, sb :                                                   6. The standard deviation for results obtained from the calibration curve, sc :                            

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11 4-8 Calibration Curves

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14 8D-2 Linear Dynamic Range
⇒ upper limit: 직선성으로 부터 5%의 deviation이 시작되는 곳 ⇒ 선형이 단순하고, 비이상적인 신호 검출이 용이하기 때문에 유리 함 → 비선형이 사용될 수도 있음 ⇒ 선형 측정범위가 큰 것이 좋음

15 4-9 A Spreadsheet for Least Squares