STATISTIKA INFERENSIAL-3
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STATISTIKA INFERENSIAL-3
INSTRUMENTASI DAN PENGUKURAN
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UJI BEDAINSTRUMENTASI DAN PENGUKURAN
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UJI BEDA
1) Uji-Z (uji rata-rata populasi)2) Uji-t atau student-t test (uji rata-rata sampel)3) Uji-F (uji variansi)
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UJI BEDA
Data kalibrasi empat flowmeter dari merk A, C, E, dan F diberikan pada halaman berikut. a) Meter manakah yang paling bagus?
Meter dikatakan bagus jika memiliki error ±1%. Dengan uji-t satu sampel dan taraf signifikansi 5%. b) Meter manakah yang memenuhi syarat?
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A C E F-2.096 -0.979 0.854 0.1800.184 -0.488 2.474 -0.575-1.413 -0.488 -0.281 -0.870-0.884 0.609 -1.469 -0.575-0.753 -0.890 -0.396 -0.476-0.753 -0.278 0.317 0.8400.739 0.522 -0.544 0.357-0.108 0.273 0.790 -0.1460.320 -0.048 -2.080 0.977-0.561 0.132 -0.639 -0.149-1.170 0.610 -0.970 0.040-0.125 0.623 -0.818 0.784-1.143 -0.190 0.321 0.6100.223 0.249 -0.15 0.440-0.629 0.087 -0.075 -1.201-0.205 -0.56 -0.15 -0.836-0.919 -0.490 -0.488 -0.154-0.629 -0.140 -0.205 -0.4260.799 -0.120 0.052 0.320-0.205 0.316 -0.488 -0.253
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A B C D-0.046 0.66 -0.150 -0.289-0.08 0.74 -3.370 0.739-0.935 -0.204 1.001 0.08-0.725 -0.171 -0.965 0.030.421 -0.132 -0.046 0.531-0.377 -0.219 -0.046 1.9000.32 0.425 0.757 1.2500.005 0.593 0.421 1.8900.618 0.333 -0.654 0.920-0.394 -1.151 0.04 0.12-0.926 -0.036 -1.39 2.05-0.25 -0.331 -0.738 0.750.271 -0.048 -1.777 1.50-0.283 0.113 -1.433 0.0800.512 0.60 -0.805 0,.750.429 0,588 -0.624 2.050.02 0,850 -0.719 1.37-0.056 1.230 -0.130 1.6971.08 1.874 -0.175 1.6740.15 -1660 -1.247 -0.056
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HASIL
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HASIL
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Suhu (*C)490492498500502492494499493495497490501498498495495496499495
EVALUASI SUHU REAKTOR
Suhu maksimum reaktor adalah 500 oC. Hasil pemantauan suhu selama sehari dihasilkan data seperti berikut.
a) Apakah suhu reaktor masih dapat dianggap 500 oC?
b) Jika suhu reaktor harus kurang dari 500 oC, apakah suhu reaktor memenuhi syarat?