Jawaban
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Langkah-langkah
menyusun Tabel Distribusi Frekuensi
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1
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Rentang
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=
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nilai
max
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-
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nilai
min
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3.
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Banyak
kelas
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=
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100
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-
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62
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K
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= 1 +
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3,3
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log
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n
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=
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38
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= 1 +
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3,3
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log
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75
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2
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n
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=
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banyak
data
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=
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7
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atau
8
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n
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=
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75
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4
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Panjang
kelas
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=
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rentang
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=
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38
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=
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4.8
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~
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5
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K
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8
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TABEL DISTRIBUSI FREKUENSI
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NO
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NILAI
DATA
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FREK
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FREK.RELATIF
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OGIVE +
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OGIVE -
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Xi
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Fi
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d
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Fi.d
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Fi
(%)
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Xi
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Fi
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Xi
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Fi
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X
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Xi.Fi
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1
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62 - 66
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1
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-5
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-5
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1.33
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< 62
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0
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62
atau >
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75
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64
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64
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2
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67 - 71
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3
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-4
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-12
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1.00
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67
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1
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67
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74
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69
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207
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3
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72 - 76
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4
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-3
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-12
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5.33
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72
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4
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72
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71
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74
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296
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4
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77 - 81
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4
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-2
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-8
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5.33
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77
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8
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77
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67
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79
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316
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5
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82 - 86
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21
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-1
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-21
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28.00
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82
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12
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82
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63
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84
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1764
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6
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87 - 91
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23
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0
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0
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30.67
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87
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33
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87
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42
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89
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2047
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7
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92 - 96
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14
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+1
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14
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18.67
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92
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56
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92
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19
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94
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1316
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8
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97 - 101
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5
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+2
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10
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6.67
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97
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70
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97
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5
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99
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495
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JUMLAH
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75
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-34
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102
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75
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102
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0
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6505
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Mean
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Median
(Me)
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Metode
Biasa
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Metode
Amplitudo
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X =
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Jumlah
X.Fi
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X
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=
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AM+ P
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(Jumlah
Fi.d)
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Me
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= Bb
+ P (n/2 - F)
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Fi
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Jumlah
Fi
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F
median
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X =
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6505
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=
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89 +
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5 (
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-34)
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=
86.5 + 5 (38 - 33)
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75
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75
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23
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X =
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86.73
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=
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86.733
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atau
87
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=
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87.587
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Modus
(Mo)
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Mo =
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Bb +
P ( b1 )
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(b1 +
b2)
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Mo =
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86.5
+ 5 ( 2 )
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(2 +
9)
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Mo =
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87.409
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