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excel file steilheid-van-een-elektrode.
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pH Mv4 174.7
4 174.1 Kalib
4 174.1 200
5.91 52.3
150 f(x) = − 58.2123175975
5.91 51.6 R² = 0.99851286090623
5.91 52.3 100
6.81 9 50
mV
6.81 8.9 0
6.81 9.3 3 4 5
-50
7.73 -44.6
7.73 -44.7 -100
7.73 -44.5 -150
9.18 -130
9.18 -129.7
9.18 -130.7
SAMENVATTING UITVOER r
slope
Gegevens voor de regressie intercept
Meervoudige correlatiecoëfficiënt R 0.99925615 s
R-kwadraat 0.99851286
Aangepaste kleinste kwadraat 0.99839847
Standaardfout 4.19837659
Waarnemingen 15
Variantie-analyse
Vrijheidsgraden Kwadratensom Gemiddelde kwadraten
Regressie 1 153853.7932422 153853.793242192
Storing 13 229.1427578082 17.626365985245
Totaal 14 154082.936
Coëfficiënten Standaardfout T- statistische gegevens
Snijpunt 403.676048 4.328748779378 93.2546721316953
Variabele X 1 -58.2123176 0.623077656406 -93.4270664323609
STORINGEN
, Waarneming Voorspelde Y Storingen
1 170.826778 3.873222228977
2 170.826778 3.273222228977
3 170.826778 3.273222228977
4 59.6412512 -7.341251159631
5 59.6412512 -8.041251159631
6 59.6412512 -7.341251159631
7 7.25016532 1.749834678197
8 7.25016532 1.649834678197 Verzamelbereik
9 7.25016532 2.049834678197 -12.5951297677795
10 -46.3051669 1.705166867978 -8.39675317851966
11 -46.3051669 1.605166867978 -4.19837658925983
12 -46.3051669 1.805166867978 0
13 -130.713027 0.713027384479 4.19837658925983
14 -130.713027 1.013027384479 8.39675317851966
15 -130.713027 0.013027384479 12.5951297677795
Meer
mV=-58,21*pH+403,67
Berekening onbekenden
Coëfficiënten
Snijpunt 403.676048
Variabele X 1 -58.2123176
Maatkolf pH gemiddelde mV pH
O1 = Cola ? 263.1333333333 2.41431230757018
O2 = Leidingswater ? -48.33333333333 7.76484084724776
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