Leerder se naam: ________________________________ Gr. 12: __________.
Instruksies en inligting:
Hierdie vraestel bestaan uit vyf vrae, beantwoord al die vrae.
Jy mag 'n nie-programmeerbare en nie-grafiese sakrekenaar gebruik.
Geen Wenk nie – Ex mag gebruik word
Toon al die stappe wat nodig is om by die antwoord uit te kom.
Sterkte!!
Onderwerpe wat in hierdie toets gedek word:
Statistiek
Frekwensieverspreiding en grafieke
Analitiese Meetkunde
Sirkel Meetkunde
Trigonometriese identiteite en vergelykings
Trigonometriese grafieke
3D Meetkunde en Trigonometrie in werklike kontekste
Sirkelstellings en eienskappe
Ooreenkomstigheid en proporsionaliteit in meetkunde
Kongruensie en ooreenkoms in driehoeke
Die lys hieronder toon die aantal koerante wat elke dag oor 'n tydperk van 10 dae verkoop word:
440; 520; 480; 560; 615; 550; 620; 680; 540; 490
1.1 Bereken die gemiddelde aantal koerante wat per dag verkoop word. (2)
1.2 Bereken die standaardafwyking van die aantal koerante wat per dag verkoop word. (1)
1.3 Teken 'n boks en snordiagram in die ANTWOORDEBOEK deur die gegewe aantal
koerante wat verkoop is, te gebruik. (5)
1.4 Beskryf die skeefheid van die verspreiding van die aantal koerante wat verkoop word. (2)
1.5 10 verskillende koerante is ondervra om die aantal koerante wat verkoop is, te
bepaalelke dag. Die gemiddelde aantal koerante wat per dag by hierdie
koerantwinkels verkoop is, was 545,7 met 'n standaardafwyking van 28 koerante.
Watter groep, die 10-dae tydperk of die 10 koerante, toon groter variasie indie
aantal koerante verkoop? Verduidelik jou antwoord. (3)
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