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Samenvatting Antwoorden oefentoets H6 wiskunde a getal en ruimte 4 HAVO
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Antwoorden oefentoets H6 wiskunde a getal en ruimte 4 HAVO
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Scorevoorstel Oefenproefwerk havo A deel 2Hoofdstuk 6 Statistiek en beslissingen
OPGAVE 1 totaal 10p
a boxplot C, omdat 75% van de waarnemingsgetallen rechts van 35 ligt
b de verdeling is rechts-scheef, dus de mediaan ligt rechts van de modus
c
d de toppen liggen bij 10 en 35, dus daar is de cumulatieve kromme het steilst
e de spreidingsbreedte is 50, dus een schatting van de standaardafwijking is
OPGAVE 2 totaal 15p
a gram, dus 2,5%
b 68% + 13,5% = 81,5%, dus 0,815 · 300 ≈ 245 appels
c , dus die hebben een gewicht van minstens 198 gram
d aflezen bij 100 mm geeft cumulatieve frequentie 97%
dus 3% van de appels heeft een diameter groter dan 100 mm
e gemiddelde is 70 mm en standaardafwijking is 86 – 70 = 16 mm
(als door anders aflezen 15 mm als antwoord wordt gevonden is dat ook goed)
f tekenen van de lijn door (60, 50) en (70, 84)
© NOORDHOFF 2016 SCOREVOORSTEL OEFENPROEFWERK HAVO A DEEL 2 HOOFDSTUK 6 1
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