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 encyclopaedia: Statistics is a mathematical science pertaining to the collection‚ analysis‚ interpretation
Premium Sample Sampling Stratified sampling
Statistics is the study of the collection‚ organization‚ analysis‚ interpretation and presentation of data. It deals with all aspects of data including the planning of data collection in terms of the design of surveys and experiments. Descriptive statistics is the discipline of quantitatively describing the main features of a collection of information‚ or the quantitative description itself. Descriptive statistics are distinguished from inferential statistics (or inductive statistics)‚ in that
Premium Scientific method Population Level of measurement
Biology statistics made simple using Excel Biology statistics made simple using Excel Neil Millar Spreadsheet programs such as Microsoft Excel can transform the use of statistics in A-level science Statistics is an area that most A-level biology students (and their teachers!) find difficult. The formulae are often complicated‚ the calculations tedious‚ degrees of freedom mysterious‚ and probability tables confusing. But in fact students need no longer grapple with any of these. In real life
Premium Statistics Spearman's rank correlation coefficient Pearson product-moment correlation coefficient
Lecture 1. Descriptive statistics includes statistical procedures that we use to describe the population we are studying. The data could be collected from either a sample or a population‚ but the results help us organize and describe data. Descriptive statistics can only be used to describe the group that is being studying. That is‚ the results cannot be generalized to any larger group. Inferential statistics is concerned with making predictions or inferences about a population from observations
Premium Arithmetic mean Median Addition
The Real Life Pac-Man Commercials are designed to attract people to a certain product that they are planning to sale. It has been this way for years and over time both companies and people have only increased their knowledge on what people want. There are many jobs involving these “selling skills.” I could never understand how a person is successful making others feel that they need to buy certain products‚ but it is capable in this society. When I was looking for a commercial for this assignment
Premium Marketing Advertising Internet
THE IMPACT OF THE ACTIVITIES OF QUACKS ON THE PRACTICE OF REAL ESTATE PROFESSION IN NIGERIA. BY OREAGBA .K. OMOTOKE IN PARTIAL FULFILLMENT OF THE REQUIREMENT FOR THE AWARD OF BACHELOR OF SCIENCE DEGREE (HONS) IN ESTATE MANAGEMENT DEPARTMENT OF ESTATE MANAGEMENT JANUARY‚ 2011. CHAPTER ONE INTRODUCTION 1.1. Background to the Study The notion of professionalism is based upon a practitioner in whatever vocational field to serve not only his client but also the society at
Premium Real estate Property Real property
Organization of Terms Experimental Design Descriptive Inferential Population Parameter Sample Random Bias Statistic Types of Variables Graphs Measurement scales Nominal Ordinal Interval Ratio Qualitative Quantitative Independent Dependent Bar Graph Histogram Box plot Scatterplot Measures of Center Spread Shape Mean Median Mode Range Variance Standard deviation Skewness Kurtosis Tests of Association Inference Correlation Regression Slope y-intercept
Premium Standard deviation Arithmetic mean
Advantages to Estate Planning | | The most common questions about estate planning is “Do I really need to do an estate plan?” or‚ “Why do I need to do an estate plan?” If you really care about your love ones‚ you need to plan ahead and stay on top of things to save some time and protect your family in the event of your death. It is also a great financial planning tool that will improve handling assets‚ savings‚ investments‚ and real estate after the owner’s death. Advanced estate planning can
Premium Inheritance Tax Trust law
Major Statistics Assignment Mary Grace Rivero 050853639 CNUR860-011 Vaska Micevski Friday‚ March 30‚ 2012 Major Statistics Assignment This major statistics assignment will finally pull together everything that was learned in this course. The application of all content within this course will be incorporated to three different research scenarios. Within each scenario‚ hypothesis testing will be done‚ followed by a discussion of relevant descriptive statistics and finally‚ a discussion
Premium Statistical hypothesis testing Variance Standard deviation
Concepts 1. What is Inferential statistics? Inferential statistics uses observations of past occurrences or available data i.e. descriptive statistics to make decisions about future possibilities and/or the nature of the entire body of data. Inferential statistics draws conclusions or makes interpretations‚ predictions and inferences about a population based upon an analysis of a sample. 2. Give 2 different techniques which are used in descriptive statistics to represent the data. Tables or
Premium Measurement Sampling