Chapter 1

Card Set Information

Author:
atcannon
ID:
292573
Filename:
Chapter 1
Updated:
2015-01-09 16:26:49
Tags:
Statistics
Folders:

Description:
Data and Statistics
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user atcannon on FreezingBlue Flashcards. What would you like to do?


  1. Statistics-study
    The art and science of collecting, analyzing, presenting, and interpreting data.
  2. Statistics-facts
     The numerical facts that help us understand a variety of business and economic situations.
  3. Data
    The facts and figures collected, analyzed, and summarized for presentation and interpretation.
  4. Data Set
    All the data collected in a particular study.
  5. Elements
    The entities on which data are collected.
  6. Variable
    A characteristic of interest for the elements.
  7. Observation
    The set of measurements obtained for a particular element.
  8. Nominal Scale
    The scale of measurement for a variable when the data are labels or names used to identify an attribute of an element. Nominal data may be nonnumeric or numeric.
  9. Ordinal Scale
    The scale of measurement for a variable if the data exhibit the properties of nominal data an the order or rank of the data is meaningful. Ordinal data may be nonnumeric or numeric.
  10. Interval Scale
    The scale of measurement for a variable if the data demonstrate the properties of ordinal data and the interval between values is expressed in terms of a fixed unit of measure. Interval data are always numeric.
  11. Ratio Scale
    The scale of measurement for a variable if the data demonstrate all the properties of interval data and the ratio of two values in meaningful. Ratio data are always numeric.
  12. Categorical Data
    Labels or names used to identify an attribute of each element. Categorical data use either the nominal or ordinal scale of measurement and may be nonnumeric or numeric
  13. Quantitative Data
    Numeric values that indicate how much or how many of something. Quantitative data are obtained using either the interval or ratio scale of measurement.
  14. Categorical Variable
    A variable with categorical data
  15. Quantitative Variable
    A variable with quantitative data.
  16. Cross-sectional data
    Data collected at the same or approximately the same point in time
  17. Time series data
    Data collected over several time periods
  18. Descriptive statistics
    Tabular, graphical, and numerical summaries of data.
  19. Population
    The set of all elements of interest in a particular study.
  20. Sample
    A subset of the population
  21. Census
    A survey to collect data on the entire population
  22. Sample survey
    A survey to collect data on a sample
  23. Statistical inference
    The process of using data obtained from a sample to make estimates or test hypotheses about the characteristics of a population.
  24. Data mining
    The process of using procedures from statistics and computer science to extract useful information from extremely large databases

What would you like to do?

Home > Flashcards > Print Preview