Mathematicsematical Statistics

Download e-book for kindle: Business Statistics: A Multimedia Guide to Concepts and by Moya McCloskey

By Moya McCloskey

ISBN-10: 0340719273

ISBN-13: 9780340719275

ISBN-10: 0585497427

ISBN-13: 9780585497426

This booklet and CD pack is the 1st mutimedia style product geared toward instructing uncomplicated information to enterprise scholars. The CD offers computing device established tutorials and customizable useful fabric. The e-book acts as a learn advisor, permitting the coed to envision past studying. The software program is Windows-based and generates assistance and responses based on the student's enter.

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Additional resources for Business Statistics: A Multimedia Guide to Concepts and Applications

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Without the variation there would be little need for statistical ideas, but as this variation is pervasive there is much need for good statistical analysis. Chapters: graphs, relationships, linear regression, correlation, estimation, probability models, significance testing. 3 Financial indices Every day, the Financial Times index for the London Stock Exchange, the Dow Jones index for the New York Stock Exchange, the Hang Seng index for Hong Kong and the Nikkei index for Tokyo are reported on UK television and radio news programmes and in the newspapers.

This is not always an easy task to accomplish and in the example there are occasions where the same variable can be thought of in more than one way. The statistical analysis that you perform depends upon the type of variable. The presentation of the data is also influenced by the type of variable. You will see in Chapter 3 that, for example, bar charts are appropriate displays for qualitative data but not for continuous data. Also, means and standard deviations, which are summary statistics of data, may be used with quantitative variables but are not appropriate for qualitative variables.

The main reasons given for the benefits of using statistical techniques were that they • • • • • improve problem understanding (60% of past students); reduce subjective judgement (60%); permit a deeper analysis of the problem (59%); enable justification of decisions (56%); give more confidence in the final decision (52%). This survey paints a very rosy picture of the reasons why a knowledge of statistical techniques and analysis is vital for students of business and management. The most common techniques are • • • • • • • • • data collection and presentation (98% of students aware, and 98% used the technique) probability analysis (95%, 67%) forecasting and prediction (92%, 70%) regression and correlation (92%, 61%) confidence intervals (81%, 45%) hypothesis tests (78%, 34%) survey design (74%, 47%) analysis of tables (60%, 32%) index numbers (56%, 34%) To give such a high profile to statistical education for business managers on the basis of this one survey is good from my point of view as a statistician, but in the interests of fairness and of presenting an honest interpretation you should be aware of the limitations of the survey.

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Business Statistics: A Multimedia Guide to Concepts and Applications by Moya McCloskey

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