Statistics

It is the science with which data is collected, organized, processed, analyzed and interpreted to facilitate decision making.
1. Basic Concepts
  1. Population
  2. Statistical Variable
  3. Statistical Unit
  4. Sample
Fields
1. Psychology
  1. psychometry
    1. It is responsible for the measurement and quantification of psychological processes and cognitive abilities
2. Health
  1. biostatistics
    1. Science in which biological or health data are obtained and analyzed through statistical methods.
3. Economy
  1. econometrics
    1. Application of statistical and mathematical methods to the analysis of economic data with the purpose of giving empirical content to economic theories and verifying them.
4. Legal Sciences
  1. criminology
    1. Part of the law that studies the crime, its causes, ways to avoid it and the way of acting of the people who commit it.
Data Collection
1. Documents
2. Observation
3. Interviews
4. Surveys
Statistical variables
1. Qualitative
  1. Nominal
  2. Ordinals
2. Quantitative
  1. Discreet
  2. Continue
Measures
1. Dispersion
  1. Variance
    1. Standard Deviation
      1. Range
        Coeff. of Variation
2. Position
  1. Quantiles
    1. Percentiles
3. Central Tendency
  1. Half
    1. Median
      1. Fashion
Statistical Tools
1. Histogram
2. Cause-effect diagram
3. Dispersion diagram
4. Pareto chart

Resource summary

	Created by Vanesa Aranguren over 4 years ago