Scheppend statistics
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Transcript of Scheppend statistics
StatisticsScheppend Group
2012
Group Member
• Timothy Elia Tallulembang
• Firdaus S.Y
• Syafrie M
• Panji Pranata
Statistics DefinitonStatistics is a study or scientific method of
collecting, organizing, processing, presenting, and analyzing data and drawing a conclusion according to the result of the data analysis
Statistika adalah ilmu atau suatu metode ilmiah tentang cara-cara mengumpulkan, menyusun, mengolah, menyajikan, menganalis-is data serta menarik kesimpulan berdasarkan hasil penganalisian data tersebut.
Statistics is divided into 2, population and sample.Statistika dibagi menjadi 2, populasi dan sampel
Population is set of all object that become target of observationPopulation adalah himpunan semua objek yang menjadi sasaran pengamatan
Sample is subset of population that was taken to be object observation.
Sampel adalah himpunan bagian dari populasi yang diambil untuk dijadikan objek pengamatan.
Statistics is closely related to data Statistika berkaitan dengan data
Data is the plural form, Datum is the singular form.Data adalah bentuk jamak, Datum adalah bentuk tunggal
Collection Of DataCollection of data is the beginning stage in the
statistical activityPengumpulan data adalah bagian permulaan dalam
kegiatan statistika.
Collecting data can be performed by : Interview / Questionnaire (Wawancara) Counting (Mencacah) Measuring (Mengukur) Recording by tallies (Mencatat data dengan
turus)
Collection Of DataData can be divided into:
- Quantitative data, data in former of number - Qualitative data, data in former of non number
Data dapat dibagi menjadi: - Data kuantitatif, data dalam bentuk bilangan/angka - Data kualitatif, data bukan dalam bentuk angka/bilangan
Measures Of Central TendencyThe measures of central tedency consist of mean, mode,
medianUkuran pemusatan data terdiri dati mean, modus, median
Mean (arithmetic mean)Mean (rata-rata hitung)
Mode (the value that occurs most often)Modus (nilai yang paling banyak muncul)
Median (the middle value)Median (nilai tengah)
Mean (∑) is the average value of a group of data that is formulated by:
• Or
To find modus, just look for the value which appear most often.Untuk mencari modus, carilah nilai yan paling banyak muncul.
Ex (contoh) : 6,6,5,2,1 modusnya adalah 6
Median is in the middle of values that has been orderedMedian berada di tengah nilai-nilai yang talah di urutkan
Mean = sum of all values (jumlah seluruh nilai) Number of data (banyak data)
Mean = Each Value . Each Frequency Total Of Frequency
Data can be present by:Data dapat disajikan dengan:
- Table - Diagram : - Pictogram - Bar Chart - Line Graph - Pie Chart
PRESENTATION OF DATA
We had done some experiment
before
Let’s Check It Out !!! ^^
First Data
The first data is about favorite lesson of the students of IX-C (Bar Chart)
Math Physic Biology Chemistry Religion Economy PLH TIK0
2
4
6
8
10
12
IX-C
Second Data
The second data is about the Math’s Score in IX-B (Table)
Score (x) Tally Frequency X.F
40 I 1 40
50 II 2 100
60 III 3 180
70 III 3 210
80 IIII IIII 10 800
90 IIII 5 450
100 IIII I 6 600
• Mean = 100 + 40 + 180 + 210 + 800 + 450 + 600 30 = 79.333333……• Median = 80• Modus = 80
Wise Word
Nothing is impossible, i f we want to try something good
Scheppend Group
THANK YOU FOR WATCHING