Exam (elaborations)
MTS 1 Tentamen #1 Vragen & Antwoorden
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Oefententamen MTS1 Vragen & Antwoorden Bevat 23 opgaven.
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MTS1 Tentamen #1 Vragen & AntwoordenOpgave 1a.
Geen het soort variabele in de onderstaande gevallen.
a. Voor of tegen nucleaire ontwapening.
b. Populariteitspoll.
c. Hoeveel tijd je pijn kan verdragen.
d. Hoeveelheid gewicht dat je kan tillen.
1b.
Is IQ een interval of ordinale variabele.
Opgave 2.
Geef van de volgende klasse intervallen de breedte, de grenzen en het
middenpunt.
a. 1-3, b. 5-10, c. -4- -8, d. -2-+2, e. 1,50-3,50, f. 25-50
Opgave 3.
40 43 43 45 48 54 56 60 63 63 66 67 70 75 77 77 78 78
78 79 79 80 80 80 81 81 81 84 87 84 88 89 90 90 92 98
Geef frequentie distributie met real limits van elk klasse interval met
klassebreedte i=10.
Antwoord:
Interval Onder Boven Freq. Cum. Freq.
40-49 39,5 49,5 5 5
50-59 49,5 59,5 2 7
60-69 59,5 69,5 5 12
70-79 69,5 79,5 9 21
80-89 79,5 89,5 11 32
90-99 89,5 99,5 4 36
Opgave 4.
Bereken gemiddelde van een populatie: 5, 8, 10, 11, 12
Opgave 5.
Bereken gewogen gemiddelde van de volgende data:
School 1 School 2 School 3
n1=220 n2=178 n3=192
M1=425 M2=470 M3=410
Opgave 6.
Bereken het gemiddelde van de volgende data:
X f
7 1
6 3
5 2
4 5
3 4
2 1
1 1
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