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Membuat Tabel Distribusi Frekuensi
Data Nilai Ujian Matematika dari 40 siswa.

35
44
53
58
63
67
69
74
83
89

40
50
55
60
64
68
70
78
95
89

90
83
75
69
67
63
59
53
45
93

39
49
55
60
63
68
70
77
86
37

§uatlah tabel distribusi frekuensi data diatas!

Membuat Tabel Distribusi Frekuensi $\newline$ Data Nilai Ujian Matematika dari $40$ siswa. $\newline$ \begin{tabular}{llllllllll} $\newline$ $35$ & $44$ & $53$ & $58$ & $63$ & $67$ & $69$ & $74$ & $83$ & $89$ \\ $\newline$ $40$ & $50$ & $55$ & $60$ & $64$ & $68$ & $70$ & $78$ & $95$ & $89$ \\ $\newline$ $90$ & $83$ & $75$ & $69$ & $67$ & $63$ & $59$ & $53$ & $45$ & $93$ \\ $\newline$ $39$ & $49$ & $55$ & $60$ & $63$ & $68$ & $70$ & $77$ & $86$ & $37$ $\newline$ \end{tabular} $\newline$ §uatlah tabel distribusi frekuensi data diatas!

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Interpret stem-and-leaf plots

Full solution

Q. Membuat Tabel Distribusi Frekuensi

\newline

Data Nilai Ujian Matematika dari

40

siswa.

\newline

\begin{tabular}{llllllllll}

\newline

35

&

44

&

53

&

58

&

63

&

67

&

69

&

74

&

83

&

89

\\

\newline

40

&

50

&

55

&

60

&

64

&

68

&

70

&

78

&

95

&

89

\\

\newline

90

&

83

&

75

&

69

&

67

&

63

&

59

&

53

&

45

&

93

\\

\newline

39

&

49

&

55

&

60

&

63

&

68

&

70

&

77

&

86

&

37

\newline

\end{tabular}

\newline

§uatlah tabel distribusi frekuensi data diatas!

Create frequency table: Create a frequency distribution table with appropriate intervals.
Determine score range: List all the scores in ascending order to determine the range of the data. $35, 37, 39, 40, 44, 45, 49, 50, 53, 53, 55, 55, 58, 59, 60, 60, 63, 63, 63, 64, 67, 67, 68, 68, 69, 69, 70, 70, 74, 75, 77, 78, 83, 83, 86, 89, 89, 90, 93, 95$
Calculate interval width: Determine the range by subtracting the smallest score from the largest score. $\newline$ Range = $95 - 35 = 60$
Create intervals: Decide the number of intervals (classes) to use. Let's use $6$ intervals.
Count scores in intervals: Calculate the interval width by dividing the range by the number of intervals. $\newline$ Interval width = $\frac{60}{6} = 10$
Adjust intervals: Create intervals based on the interval width. Start from the smallest value, $35$ . Intervals: $35-44$ , $45-54$ , $55-64$ , $65-74$ , $75-84$ , $85-94$
Adjust intervals: Create intervals based on the interval width. Start from the smallest value, $35$ . Intervals: $35-44$ , $45-54$ , $55-64$ , $65-74$ , $75-84$ , $85-94$ Count the number of scores in each interval. $35-44$ : $5$ scores $45-54$ : $35-44$ $0$ scores $55-64$ : $35-44$ $2$ scores $65-74$ : $35-44$ $4$ scores $75-84$ : $35-44$ $0$ scores $85-94$ : $35-44$ $4$ scores
Adjust intervals: Create intervals based on the interval width. Start from the smallest value, $35$ . Intervals: $35-44$ , $45-54$ , $55-64$ , $65-74$ , $75-84$ , $85-94$ Count the number of scores in each interval. $35-44$ : $5$ scores $45-54$ : $35-44$ $0$ scores $55-64$ : $35-44$ $2$ scores $65-74$ : $35-44$ $4$ scores $75-84$ : $35-44$ $0$ scores $85-94$ : $35-44$ $4$ scores Realize there's a mistake because the last interval doesn't include the highest score of $35-44$ $9$ . Adjust the intervals to include all scores.

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