Mean, Median, Mode.
An introduction to basic statistics; the study of the collection, organization, analysis, and interpretation of data. It deals with all aspects of this, including the planning of data collection in terms of the design of surveys and experiments.
Excerpt:
Statistics is the study of the collection, organization, analysis, and interpretation of data. It deals with all aspects of this, including the planning of data collection in terms of the design of surveys and experiments.
Applications of Statistics
Agriculture
What varieties of plant should we grow? What are the best combinations of fertilizers, pesticides and densities of planting? How does changing these factors affect the course of the growth process?
Business and economics
Which companies are likely to go out of business in the next year? What is the likely tourist flow next year? What causes companies to choose a particular method of accounting? How have living standards changed over the last six months?
Marketing Research
What makes advertisements irritating? Is an irritating ad a bad ad? Are telephone calls the best way to collect market data? What share of the television market does Sony have? Do higher prices signal higher quality?
Education
Does a course on classroom behavior for teachers purchased by the authority of IUBAT have an effect on the teacher's classroom performance? Do boys perform better than girls in the examinations? Is there evidence of sex bias in admissions to IUBAT?
Medicine
What are the important risk factors for bone cancer? What determines long term survival after open heart surgery? Would nationwide screening for breast cancer be effective? What projections can we make about the course of the AIDS epidemic? Is there a relationship between drinking alcohol and breast cancer in women?