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hoofdstuk 6 wiskunde uitwerking proeftoets
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hoofdstuk 6 wiskunde uitwerking proeftoets
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By: shennadelissen • 3 year ago
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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 2p
b de verdeling is rechts-scheef, dus de mediaan ligt rechts van de modus 2p
c
2p
d de toppen liggen bij 10 en 35, dus daar is de cumulatieve kromme het steilst 2p
e de spreidingsbreedte is 50, dus een schatting van de standaardafwijking is
2p
OPGAVE 2 totaal 15p
a gram, dus 2,5% 2p
b 68% + 13,5% = 81,5%, dus 0,815 · 300 ≈ 245 appels 3p
c , dus die hebben een gewicht van minstens 198 gram 3p
d aflezen bij 100 mm geeft cumulatieve frequentie 97% 1p
dus 3% van de appels heeft een diameter groter dan 100 mm 1p
e gemiddelde is 70 mm en standaardafwijking is 86 – 70 = 16 mm 2p
(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) 3p
© NOORDHOFF 2016 SCOREVOORSTEL OEFENPROEFWERK HAVO A DEEL 2 HOOFDSTUK 6 1
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