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OE7b Samenvatting Excel (Business Studies)

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OE7b Samenvatting Excel, business studies, leerjaar 1, periode 2,

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Uploaded on
February 9, 2018
Number of pages
11
Written in
2020/2021
Type
Summary

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Gegevensanalyse

bestand
opties
invoegtoepassingen
start
bovenste 2 aanvinken
analyst toolpack
analyst toolpack VBA
oke

,nummer leeftijd opleiding functieniveau dienstjaren salaris
1 50 4 4 20 68
2 42 1 1 12 147
salaris
3 56 1 3 23 92 200
4 32 3 4 5 58 180
5 35 4 4 8 55 160
6 24 4 4 2 58 140
7 19 4 5 0 34 120 f(x) = 2.3558929211x + 56.4637805447
8 23 2 3 3 69 R² = 0.2753810607
100
9 20 5 5 1 39
80
10 29 4 4 6 50
60
11 36 3 2 6 110
12 31 3 3 10 78 40

13 22 3 3 2 64 20
14 47 1 1 15 156 0
0 5 10 15 20
15 48 2 2 13 110
16 58 3 2 20 97
17 25 3 4 4 58
18 29 4 3 6 69 R2 = 0,2754 (wortel 0,2754 =
19 46 3 3 14 82
20 30 4 5 7 49
21 20 5 5 0 36
22 27 4 4 8 63
23 31 3 3 7 95
24 34 3 3 4 101
25 47 2 1 20 153
26 54 1 1 12 164
27 38 3 2 15 109
28 21 3 3 2 62
29 24 3 3 1 65
30 47 4 4 15 68
31 59 4 3 27 101
32 46 2 2 14 107
33 51 3 3 23 97
34 32 1 1 10 142
35 24 5 5 3 40
36 36 4 5 13 51
37 23 3 4 1 59
38 26 2 2 6 98
39 31 3 2 5 98
40 50 3 3 25 100
41 57 2 2 21 118
42 61 3 3 27 106
43 23 5 4 3 55
44 42 1 1 6 148
45 43 5 5 8 55
46 51 1 2 11 116

,47 21 5 5 0 34
48 56 1 1 14 172
49 43 3 3 13 77
50 44 5 5 17 50
51 25 3 4 6 61
52 26 4 4 5 61
53 35 2 2 13 108
54 60 2 2 30 121
55 37 3 3 13 71
56 32 4 4 11 64
57 28 5 5 7 43
58 19 5 5 1 34
59 20 4 5 2 32
60 44 2 3 20 81
61 32 2 2 9 109
62 27 5 5 6 45
63 29 4 4 7 56
64 45 2 2 21 109
65 46 2 2 17 107
66 34 3 3 10 62
67 61 2 3 29 104
68 23 2 3 3 64
69 33 4 5 10 49
70 38 4 2 15 105
71 44 3 4 20 71
72 46 1 1 17 158
73 45 3 3 21 94
74 41 2 2 18 109
75 29 5 4 7 61
76 36 3 3 15 78
77 39 4 3 18 81
78 45 5 5 10 46
79 41 2 3 8 71
80 28 5 4 5 57

, salaris zet de kolommen dienstjaren en salaris naast elkaar
Selecteer dienstjaren en salaris
invoegen / grafiek met stipjes (spreiding)
op stipje staat en trendlijn toevoegen
liniar + onderste 2 vinkjes aan voor de formule
6.4637805447
als je R kwadraat weet kan je ook de R berkekenen


R kwadraat is 27% dat is te
verklaren van het aantal
dienstjaren


15 20 25 30 35
Formule
(Y) = A * (X) + B A = dienstjaren
B is snijpunt (beginpunt trendlijn)
54 (wortel 0,2754 = R) Y = 2,35 * (aantal dienstjaren) + 56,46
* 1000 is 126000

bovengrens = schating (126,5) +2 * standaardfout
standaardfout is bij tabel regressie af te leiden

bovengrens = 126,5+2*29 184.5
ondergrens = 126,5 -2*29 68.5
95% tussen de 184,5 en 68,5
$4.19
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