Chapter 02 Data Presentation Pdf Statistics After collection of data (primary or secondary), it is necessary to summarize them suitably and present in such forms as can facilitate subsequent analysis and interpretation. there are two major tools techniques for presentation of data as follows: – presentation in tabular form – presentation in graphical form. 2.1 tabular presentation. Chapter 2: methods of data collection and presentation 2.1 methods of data collection: source of data: statistical data may be obtained from two sources, namely, primary and secondary 1 primary data: data measured or collected by the investigator or the user directly from the source. primary sources are sources that can supply rst hand.
Statistics 2 Pdf It’s easy to see some of the advantages of graphically presenting data. for example, here you can clearly see that the data are centred around a value in the low 30’s and fall away on either side. from stem and leaf plots we can quickly and easily tell if the distribution of the data is symmetric or asymmetric. Chapter 2 presentation of statistical data abstract data are collected often in raw form. these are then not useable unless summarized. the techniques of presentation in tabular and graphical forms are introduced. some illustrations provided are real world examples. 1. the document discusses different methods of organizing and presenting data, including tables, graphs, charts, and frequency distributions. 2. it provides examples of different types of qualitative and quantitative data and shows how to organize each type into a frequency table, bar chart, and pie chart. 3. £4ucqt;ooal c iqs"' l q c8 c o c and ma 0 condense ; rm so ma hi" cm classi at¥on o yo an enous omo c e more ug h 'loutqfon . anal q ou unclzr±qn cahon.
Untitled Statistics Chapter 2 Collection And Presentation 1. the document discusses different methods of organizing and presenting data, including tables, graphs, charts, and frequency distributions. 2. it provides examples of different types of qualitative and quantitative data and shows how to organize each type into a frequency table, bar chart, and pie chart. 3. £4ucqt;ooal c iqs"' l q c8 c o c and ma 0 condense ; rm so ma hi" cm classi at¥on o yo an enous omo c e more ug h 'loutqfon . anal q ou unclzr±qn cahon. This document discusses how to organize and summarize statistical data for presentation through classification, tabulation, graphs, and diagrams. it explains the processes of classifying data into categories, tabulating data by arranging it in tables with rows and columns, and constructing frequency distributions to compactly display data. Chapter 02 data collection and presentation free download as powerpoint presentation (.ppt), pdf file (.pdf), text file (.txt) or view presentation slides online. this document discusses different sampling designs and methods for organizing and presenting data. The collection, organization, and presentation of data are basic background mate rial for learning descriptive and inferential statistics and their applications. in this chapter, we first discuss sources of data and methods of collecting them. then we explore in detail the presentation of data in tables and graphs. finally, we use both. In this article, the techniques of data and information presentation in textual, tabular, and graphical forms are introduced. text is the principal method for explaining findings, outlining.