The scree test and its linear regression technique are reviewed, and results of its use in factor analysis and Delphi data sets are described. The scree test was originally a visual approach for making judgments about eigenvalues, which considered the relationships of the eigenvalues to one another as well as their actual values. The graph that is…

Weather data gathered from the local newspaper can be used in teaching a unit on statistics. (SD)

Intuition in mathematics is essential but it must be based on good knowledge of mathematics. An example related to velocity, time, and area is presented and discussed, with models, visual approaches, and geometric arguments noted. (Author/KM)

The author describes a series of current economic ideas and situations which can be used in the mathematics classroom to illustrate the use of signed numbers, the coordinate system, univariate and multivariate functions, linear programing, and variation. (SD)

This packet includes six statistical profiles of American Indians and Alaska Natives based on the 1980 census, and a report on 1990 census plans for Native Americans. Three general profiles outline statistics on: (1) the American Indian population as a whole; (2) selected characteristics of American Indian men; and (3) selected characteristics of…

This guide to the discovery, analysis, production, communication, and use of statistical information through graphic forms produced by a computer is designed to enable researchers to conduct their analyses and report research results more effectively. It is designed both for individuals with little knowledge about the use of statistical graphs or…

This paper presents the 1976-1977 allocation of monies by the New York City Board of Education to New York City's thirty-two decentralized community school districts. It is organized around five modules. Each module consists of a grouping of functional activities for which separate allocation formulae are utilized. The modules cover the following…

The report tabulates and analyzes responses to two questionnaires returned by 531 (out of 1672) profit and non-profit publishers of 974 (out of 2552) United States scholarly and research journals. Certain categories of periodicals were excluded because they were not believed to ordinarily contain communications useful for scholarly purposes, or…

Principles of aesthetic design for printed instructional materials are discussed in this paper, and a checklist is provided to aid in evaluating the aesthetics of such materials. The principles that are discussed relate to the following areas: format (spatial arrangement of a page and design principles involving simplicity, unity, emphasis,…

Forecasting from an educational planner's viewpoint, this study projects national and New York State revenues and expenditures until 1990. It is also intended to provide methodological guides for educational planners. Projections assume the continuation of long-term cyclical trends. Four basic procedures were used to project economic data: the…

This is one in a series of manuals for teachers using SMSG high school supplementary materials. The pamphlet includes commentaries on the sections of the student's booklet, answers to the exercises, and sample test questions. Topics covered include sets, definition and graph of a function, constant, linear and absolute-value functions,…

Part 2 of Course I includes a study of set theory, transformations of the plane; properties of lines, planes, line segments and angles; elementary number theory; and rational numbers. Decimal fractions, ratio and proportion, percent, and presenting data using graphs are also presented. (FL)

Since the ultimate success of any diagram rests in its clarity, it is important that the designer select a method of presentation which will achieve this aim. He should be aware of the various ways in which statistics can be shown diagrammatically, how information can be incorporated in maps, and how events can be plotted in chart or graph form.…