STATISTICS TERMINOLOGY

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Across
  1. 3. The mathematical study of data collection, organization, analysis, and interpretation.
  2. 4. The branch of statistics that deals with organizing, summarizing, and presenting data using numerical measures (e.g., mean, median, standard deviation) and visual tools (e.g., tables, graphs, charts) to describe its main features.
  3. 6. A type of sampling that selecting every k-th element from an ordered population (e.g., k = N/n).
  4. 7. A type of sampling that selecting elements to meet predefined proportions of specific categories.
  5. 10. The process of selecting a representative subset (n) from a population (N).
  6. 13. The entire set of elements (N) from which data can be drawn.
  7. 15. Numerical data that can be measured or counted.
  8. 17. A type of sampling that choosing a sample based on accessibility rather than probability.
  9. 19. A characteristic or attribute of a data set that can take on different values across observations. It is what is measured, observed, or manipulated in statistical analysis
  10. 20. A type of sampling that every element in the population has an equal probability (1/N) of being selected.
Down
  1. 1. Countable values from a finite or countably infinite set (e.g., integers).
  2. 2. The branch of statistics that uses data from a sample to make predictions, estimations, or generalizations about a larger population, often involving probability and hypothesis testing
  3. 5. A type of sampling that the population is divided into strata, and random samples are taken from each stratum proportionally.
  4. 7. Categorical data that cannot be expressed numerically (e.g., labels, classifications).
  5. 8. A subset (n) of the population (N) used for analysis.
  6. 9. Data that takes any value in a given range, typically real numbers (ℝ).
  7. 11. Sample ___ - A list of all possible sample elements from the population.
  8. 12. A collection of values (x₁, x₂, ..., xₙ) representing observations or measurements.
  9. 14. Sample ___ - An individual element (xᵢ) selected for measurement.
  10. 16. Sample_____ - A variable measured within the sample, often denoted as x ̅ for sample mean or s for sample standard deviation.
  11. 18. A numerical value (e.g., μ, σ) that describes a characteristic of a population.