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...

...STAT 600 Statistics and Quantitative Analysis
PROJECT: Stock return estimation
The project must be done by 6-15 a.m. October, 16th. You should submit your projects before the class begins. This is a group project. Read the course outline for general guidelines. Good luck!
The project is closely related to Lectures 1-5 of the class.
Today is September 15, 2013 and you have just started your new job with a financial planning firm. In addition to studying for all your...

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MBA 501A – [STATISTICS]
ASSIGNMENT 4
INSTRUCTIONS: You are to work independently on this assignment. The total number of points possible is 50. Please note that point allocation varies per question. Use the Help feature in MINITAB 16 to read descriptions for the data sets so that you can make meaningful comments.
[10 pts] 1. Use the data set OPENHOUSE.MTW in the Student14 folder. Perform the Chi
Square test for independence to determine whether style of home and...

...differs from that obtained from Stepwise and Backward Elimination Method. It is not hard to understand this phenomenon: Since for the Stepwise/Backward Elimination method, F-statistic plays an important role in selecting a variable: the F-statistic for a variable to be added must be significant at the SLENTRY level, the F-statistic for a variable to be removed must be significant at the SLSTAY level. While the MaxR method selects variables depending...

...INTRODUCTION
A. Importance of Statistics
Statistical methods have been applied to problems ranging from business to medicine to agriculture. A review of the professional literature in almost any field will substantiate the extent of statistical analysis.
Accounting: Public accounting firms use statistical sampling procedures when conducting audits for their clients.
Economics: Economists use statistical information in making forecasts about the future of the economy...

...Lecture Notes on Introductory Statistics, I
(P.P. Leung)
Lecture notes are based on the following textbook:
N.A. Weiss (2012), Introductory Statistics, 9th edition, Pearson.
Chapter 1 The Nature of Statistics 統計本質
§1.1 Two kinds of Statistics
§1.4 Other Sampling Designs (其他抽樣方法)
Chapter 1 The Nature of Statistics 統計本質
What is Statistics? 何謂統計?
From Wikipedia, the free...

...Descriptive Statistics and Probability Distribution Problem Sets
Emily Noah
QNT561
Anthony Matias
December 24, 2012
Descriptive Statistics and Probability Distribution Problems Sets
Descriptive statistics and probability distribution is two ways to find information with certain data giving. In Descriptive statistics the data can give a mode, mean, median, and range by the numerical information, which is giving to find the...

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Statistical Analysis
BU 510 601
2 Credit Hours
Fall 2013
Instructor: Shrikant Panwalkar Office phone: (410) 234 9456
Office Hours: By appointment panwalkar@jhu.edu
Required Text and Learning Materials
Business Statistics in Practice; 6th Edition, McGraw-Hill Higher Education,
ISBN-13 978-0-07-340183-6 (There are other ISBN numbers)
Authors: Bowerman, Bruce; O'Connell, Richard. (the cover shows a third author – Murphree)
Please note: 7th edition...

...grams. D) 95% of reduced fat cookies have between 3.4 and 5 grams of fat. E) 95% of the cookies in the sample had between 3.4 and 5 grams of fat. Determine the margin of error in estimating the population parameter. 12) How tall is your average statistics classmate? To determine this, you measure the height of a random sample of 15 of your 100 fellow students, finding a 95% confidence interval for the mean height of 67.25 to 69.75 inches. A) 1.5 inches B) 0.25 inches C) 1.06...