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Antwoorden proeftoets statistiek

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alleen antwoorden op de proeftoets van statistiek

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March 17, 2022
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Written in
2021/2022
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LS2 Statistiek
Proeftentamen antwoorden

Opgave 1
a. 0,362 mmol/L
b. 0,362 mmol/L
c. 9,39 ± 0,58 mmol/L
Significant juist: 9,4 ± 0,6 mmol/L
d. 4,21 mmol/L en 4,42 mmol/L zijn uitbijters
e. Geen uitbijters
f. 94,12 %
g. De grenzen zijn 3,32 mmol/L – 4,68 mmol/L

Opgave 2
a. 2,2 ± 0,3 mg/g, dit valt wel binnen de meetverwachting.
Bij een onjuiste significantie 2,175 ± 0,268 mg/g valt het niet binnen de
meetverachting.
b. 0,016 mg/g
c. SSTOT = 0,3828 df = 15
SSBG = 0,09198 df = 12
SSTG = 0,2909 df = 3
d. F = 12,65; Ftabel = 3,49, dus er is een significant verschil
e. Herhaalbaarheid = 0,270 mg/g
Reproduceerbaarheid = 0,778 mg/g
f. 0,248 mg/g
g. 0,139 mg/g
h. T = - 1,87; Ttabel = 2,57, er is dus geen verschil tussen de methoden
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