Monday, June 29, 2009

Metode Statistika

Word Meaning Method Statistics
Statistics method is how the method of collecting data or facts, prepare, present, and analyze, drawing conclusions and making decisions based on well-founded facts and penganalisaan made.


Two statistics:
1) Descriptive Statistics (deductive) or simple, the process-level statistics include the method of calculating, or set up, manage, present, and analyze data in order to provide a brief description of a situation.
2) Statistics Inferensial, which provides that the rules or the way that you can use a tool in order to deduce the nature of a general data has been compiled and processed.

The characteristics of the statistics:
1.Statistik always working with a number or numbers.
2.Statistik be objective (according to the as-is).
3.Statistik are universal (lingkupnya wide space).

Data statistics
For statistical data can be said to be the number of a study showing that agretatif and reflects an activity in a particular field or fields.
The agretatif there are two, namely:
1) Research can be only one individual but pencatatannya must be more than one time.
2) Research carried out only once but more than one individual.

Statistics Data classification
Are based;
1) continuous data, the data-digit number is the row number of row or development connect, for example: high-body, body weight.
2) Data diskrit, the statistical data that may not forming fraction, for example: the number of children

Classification of data based on how menyusunnya:
1) nominal data, the statistical data that menyusunnya way up the classification, or specific, for example: Number of students in terms of the level of class and gender.
2) Ordinal data, the statistical data of how the order is based menyusunnya position and rank, for example: clever, less clever, and not clever.
3) The data interval, the statistical data where the distance between the same things that are or investigation be, for example: 10 students get the value of the test results with variations between 1 and 10.
4) Data rate, data that is classified in the data to the continuum but menpunyai certain characteristics, for example: maternal body weight is 50 kg, body weight 10 kg Ani, so weight is a mother of 5) times the body weight of Ani.

source: http://chollishst05.blogspot.com