Examine the reasons why some sociologists choose to use official statistics when conducting research. Firstly‚ official statistics are a source of secondary quantitative data which are gathered by the government or other official bodies. Many reasons for their use by sociologists when conducting research stems from the fact that they are a form of secondary data; meaning that they are not collected by the sociologist themselves. This makes them high in practicality‚ representativeness and reliability
Premium Sociology Statistics Scientific method
Introduction to Basic Statistics Pat Hammett‚ Ph.D. 2005 Instructor Comments: This document contains an overview of basic probability and statistics. It also includes a practice test at the end of the document. Note: answers to the practice test questions are included in an appendix. 1 Pat Hammett University of Michigan Table of Contents 1. VARIABLES- QUALITATIVE AND QUANTITATIVE......................3 1.1 Qualitative Data (Categorical Variables or Attributes) .............
Premium Normal distribution Standard deviation
Reporting REPORTING PRINCIPLES Necessity for Concise Reports: - Concise reports contain only the data that are essential to the performance of the recipient’s duties. - Concise reports are important for two reasons: (1) Most operations have relatively few critical success factors‚ and a manager’s attention should be focused on these factors. (2) People’s ability to simultaneously process multiple data elements is limited‚ and report contents should not exceed these limitations. REPORTING PRINCIPLES
Premium Accounting software Report Accounts receivable
There are many different ways to describe the data we collect and all are important when conducting business. The mean of a data set is the sum divided by the # of observations. Now saying exactly what a mean is can be helpful‚ applying it to the business world makes understanding it a lot easier. Mean can be used in a business environment by both tax offices and retailers when collecting income from a group of people; in this case both groups are interested in the total amount of money that happens
Premium Management Generally Accepted Accounting Principles Balance sheet
Managerial Statistics Distinguish between primary data and secondary data? OBJECTIVE The main objective of this topic is to measure the degree of relationship between the variables under consideration.The correlation analysis refers to the techniques used in measuring the closeness of the relationship between the variables. DEFINITION Some important definitions of correlation are given below: 1. “Correlation analysis deals with the association between two or more variables”. ---- Simpson &
Premium Pearson product-moment correlation coefficient Correlation and dependence Spearman's rank correlation coefficient
life. Though my career progression in the banking system including joining the RBI was not as a statistician‚ I must confess that the analytical ability and articulation skill based on sound knowledge of statistics‚ which I developed during my academic career both as a student and teacher of Statistics at BHU‚ greatly
Premium Banaras Hindu University Uncertainty Annie Besant
1.stocks.xls data set For stock 1‚ the median was 0.0607‚ mean was 0.0286‚ the loss of investment can be as large as -0.5268‚ and the gain of the investment can be as large as 0.6015. However‚ the risk of loss was round 7%‚ while the chance to gain between 0 – 0.8 was very high‚ nearly 78%. For stock 2‚ the median was 0.0511‚ mean was 0.096413‚ the loss of investment can be as large as -0.9963‚ and the gain of the investment can be as large as 1.519. The risk to loss for stock 2 was about 12%‚
Premium Standard deviation Normal distribution Statistics
Working Paper 05-47 Statistics and Econometrics Series 09 July 2005 Departamento de Estadística Universidad Carlos III de Madrid Calle Madrid‚ 126 28903 Getafe (Spain) Fax (34) 91 624-98-49 BAYESIAN INFERENCE FOR THE HALF-NORMAL AND HALF-T DISTRIBUTIONS M.P. Wiper‚ F.J. Girón‚ A. Pewsey* Abstract In this article we consider approaches to Bayesian inference for the half-normal and half-t distributions. We show that a generalized version of the normal- gamma distribution is conjugate to the
Premium Normal distribution
| | | Rebecca RoyN8586799Tutor: Jenny Houtsma | [BSB123 - Data analysis research report] | Analyzing the relationships between different variables in relation to one year returns within the superannuation industry. | Contents 1.0 Introduction 2 2.0 Outliers 3 3.0 Historical Analysis 4 4.0 Current Data (One Variable Analysis 5 5.0 Bivariate and Trivariate Analysis 6 5.1 Impact of Investment Strategy on One Year Returns 6 5.2 Impact of Three Year Returns on One Year
Premium Investment Rate of return
The difference between data and information What a database is‚ the various types of databases‚ and why they are valuable assets for decision making The importance of database design How modern databases evolved from file systems ©2015 Cengage Learning. All Rights Reserved. May not be scanned‚ copied or duplicated‚ or posted to a publicly accessible website‚ in whole or in part. 2 Learning Objectives In this chapter‚ you will learn: About flaws in file system data management The main
Premium Data management Database management system Database