5.docx - 5.0 Results a Measurement Data Form(Range method 1...

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5.0 Results a) Measurement Data Form (Range method) 1. Small plate Date: 19/3/19 Instrument: Bevel protractor Part Operator Range Ahya Muhamma d 1 14°25’ 15°05’ 0°40’ 2 15°05’ 14°40’ 0°25’ 3 14°45’ 14°50’ 0°05’ _ X 14°45’ 14°51’ _ R = 0°23’ i) Ahya’s measurement X _ X _ X-X _ (X-X)² 14°25’ 14°45’ 0°20’ 0.111 15°05’ 0°20’ 0.111 14°45’ 0 0 Calculation Variance S.D GRR GRR (%) = ( 0.444)² ÷ 2 = 0.222 = √ 0.222 = 0.471 = ( 0°23’) ÷ 1.23 = 311.65x10-3 = [( 311.65x10-3) ÷(0.471)]x 100% = 66
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ii) Muhammad’s measurement X _ X _ X-X _ (X-X)² 15°05’ 14°51’ 0°14’ 0.054 14°40’ 0°11’ 0.034 14°40’ 0°11’ 0.034 Calculation Variance S.D GRR GRR (%) = ( 0.122)² ÷ 2 = 7.442x10-3 = √ 7.442x10-3 = 0.086 = ( 0°23’) ÷ 1.23 = 311.65x10-3 = [( 311.65x10-3) ÷(0.086)]x 100% = 361.26
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2. Big plate Date: 26/3/19 Instrument: Bevel protractor Part Operator Range Nazurah Arnold 1 20°15’ 20°25’ 0°10’ 2 20°40’ 20°35’ 0°05’ 3 20°40’ 20°45’ 0°05’ _ X 20°31’ 20°35’ _ R = 0°06’ i) Nazurah’s measurement X _ X _ X-X _ (X-X)² 20°15’ 20°31’ 0°16’ 0.071 20°40’ 0°09’ 0.023 20°40’ 0°09’ 0.023 Calculation Variance S.D GRR GRR (%) = ( 0.117)² ÷ 2 = 6.84x10-3 = √ 6.84x10-3 = 0.083 = ( 0°06’) ÷ 1.23 = 81.3x10-3 = [( 81.3x10-3) ÷(0.083)]x 100% = 98.26
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ii) Arnold’s measurement X _ X _ X-X _ (X-X)² 20°25’ 20°35’ 0°10’ 0.028 20°35’ 0 0 20°45’ 0°10’ 0.028 Calculation Variance S.D GRR GRR (%) = ( 0.056)² ÷ 2 = 1.57x10-3 = √ 1.57x10-3 = 0.040 = ( 0°06’) ÷ 1.23 = 81.3x10-3 = [( 81.3x10-3) ÷(0.040)]x 100% = 205.31
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3. Small screw Date: 19/3/19 Instrument: Vertical optical comparator Part Operator Range Muhamma d Nazurah 5 59°49’ 58°44’ 1°05’ 6 59°44’ 60°07’ 0°23’ 7 60°04’ 58°20’ 1°44’ _ X 59°52’ 59°03’ _ R = 1°04’ i) Muhammad’s measurement X _ X _ X-X _ (X-X)² 59°49’ 59°52’ 0°03’ 2.5x10-3 59°44’ 0°08’ 0.018 60°04’ 0°12’ 0.040 Calculation Variance S.D GRR GRR (%) = ( 0.061)² ÷ 2 = √ 1.83x10-3 = ( 1°04’) ÷ 1.23 = [( 867.2x10-3) ÷(0.043)]x 100%
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= 1.83x10-3 = 0.043 = 867.2x10-3 = 2016.74 ii) Nazurah’s measurement X _ X
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  • Spring '18
  • protractor, X-x, Nazurah Arnold

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