By R. Lyman Ott, Micheal T. Longnecker
Ott and Longnecker's AN creation TO STATISTICAL tools and knowledge research, 6th version, presents a huge evaluate of statistical equipment for readers who've very little past adventure in facts. The authors educate readers to resolve difficulties encountered in learn initiatives, to make judgements in accordance with information quite often settings, and to develop into severe readers of statistical analyses in study papers and in information reviews. the 1st 11 chapters current fabric usually coated in a college-level introductory data path, in addition to fascinating case reports and examples. the rest chapters disguise regression modeling and layout of experiments.
Read or Download An Introduction to Statistical Methods and Data Analysis (6th Edition) PDF
Similar statistics books
R is a superb factor, certainly: lately this loose, open-source product has turn into a well-liked toolkit for statistical research and programming. of R's barriers -- that it truly is single-threaded and memory-bound -- develop into specifically problematic within the present period of large-scale facts research.
Rating larger on your enterprise data path? Easy.
Business information is a typical direction for enterprise majors and MBA applicants. It examines universal information units and the right kind method to use such info whilst undertaking examine and generating informational reviews reminiscent of revenue and loss statements, client delight surveys, and peer comparisons.
Business statistics For Dummies tracks to a standard enterprise records path provided on the undergraduate and graduate degrees and offers transparent, useful factors of industrial statistical principles, suggestions, formulation, and calculations, with plenty of examples that indicates you the way those options observe to the area of world company and economics.
indicates you the way to take advantage of statistical info to get an educated and impartial photo of the marketplace
Serves as a very good complement to school room studying
is helping you ranking your maximum on your company facts course
If you're learning company on the collage point or you're a certified searching for a table reference in this advanced subject, company facts For Dummies has you coated.
This ebook provides versions and statistical tools for the research of recurrent occasion information. The authors supply large, distinct assurance of the main techniques to research, whereas emphasizing the modeling assumptions that they're in accordance with. extra common intensity-based versions also are thought of, in addition to easier types that target price or suggest features.
`This accomplished choice of virtually forty chapters - each one written through a number one specialist within the box - is the basic reference for an individual project or learning qualitative examine. It covers a range of tools and a number of views and is a really sensible and informative advisor for rookies and skilled researchers alike' - John Scott, collage of Essex `The top ways that to appreciate the problems and tactics informing qualitative learn is to benefit from the money owed of its prime practitioners.
- Basic Statistics: A Primer for the Biomedical Sciences (Wiley Series in Probability and Statistics)
- Wavelets and Statistics
- Principles of Quality Costs: Financial Measures for Strategic Implementation of Quality Management, Fourth Edition
- An Introduction to Queueing Theory: Modeling and Analysis in Applications (2nd Edition)
- Numbers Guide: The Essentials of Business Numeracy (5th Edition)
- Introduction to Classical and Modern Test Theory
Extra info for An Introduction to Statistical Methods and Data Analysis (6th Edition)
Opinion polls are constantly in the news, and the names of Gallup and Harris have become well known to everyone. These polls, or sample surveys, reflect the attitudes and opinions of citizens on everything from politics and religion to sports and entertainment. The Nielsen ratings determine the success or failure of TV shows. How do you figure out the ratings? Nielsen Media Research (NMR) continually measures television viewing with a number of different samples all across the United States. The first step is to develop representative samples.
Distinct from the experimental unit is the measurement unit. This is the physical entity upon which a measurement is taken. In many experiments, the experimental and measurement unit are identical. 4, the measurement unit is the container, the same as the experimental unit. However, if the individual shrimp were weighed as opposed to obtaining the total weight of all the shrimp in each container, the experimental unit would be the container, but the measurement unit would be the individual shrimp.
Method 2: Subjects are randomly selected from different populations of interest. For example, 50 male and 50 female dogs are randomly selected from animal shelters in large and small cities and tested for the presence of heart worms. In Method 1, the researcher randomly selects experimental units from a homogeneous population of experimental units and then has complete control over the assignment of the units to the various treatments. In Method 2, the researcher has control over the random sampling from the treatment populations but not over the assignment of the experimental units to the treatments.