Statistic

Topics: Statistics, Data, Frequency distribution Pages: 2 (480 words) Published: April 29, 2013
Statistics is the study of the collection, organization, analysis, interpretation, and presentation of data. It deals with all aspects of this, including the planning of data collection in terms of the design of surveys and experiments. ( according to mister Wikipedia) Statistik adalah satu bidang pengumpulan, pengurusan, pengaanalisaan, penerangan, dan pembentangan data. Ia merangkumi setiap aspect termasuklah merancang proses pengumpulan data melalui olahan kajiselidik dan eksperimen. Statistic is a ‘raw data’ they must be processed in some way to create information which is meaningful and helpful for a particular purpose. Statistik perlu diproses bagi mewujudkan maklumat tertentu bagi tujuan tertentu: Several ways of using statistical data:

1. Classification ( Pengelasan)

First of all please take a look at this example:

Days| No of Chicken Stolen| Time AM/PM|
Sunday| 2| 1| 1|
Monday| 3| 1| 1|
Tuesday| 3| 2| 1|
Wednesday| 5| 3| 2|

Pak Mat has a problem. His chickens always get stolen, therefore he decides to hire someone as his watcher. However he needs to know whether to ask the watcher to guard his chicken during day or night. Pak mat ada masalah, ayam dia slalu kena curi. So dia nk upah orang tlg jga ayam dia. First dia kena tau, ayam dia tu slalu kena curi malam or siang. So he juz need to CLASIFIED the statistic into this:

TIME| AM| PM|
Number Of Chicke Stolen| 7| 5|

Frequency of Distribution. ( Pembahagian Kekerapan)
Definition of Frequency Distribution: values and their frequency (how often each value occurs). Maksud Pembahagian Kekerapan: kekerapan berlakunya sesuatu nilai.

Example: Goals
| Sam's team has scored the following numbers of goals in recent games:Berikut adalah gol yang dimasukkan oleh kumpulan Sam dalam perlawanan bola sepak y mereka sertai:| | 2, 3, 1, 2, 1, 3, 2, 3, 4, 5, 4, 2, 2, 3

Sam put the numbers in order,
then added up: Sam telah menyenaraikan * how...