notes1 - Variable is a characteristic of an individual...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Variable is a characteristic of an individual. Qualitative or Categorical : places an individual into one of several groups or categories (finitely many possible) Quantitative : measurements represent quantities, “how many” (infinite possibile) Scales of Measurement: Ratio variable o Quantitative scale (almost all) o Ratios meaningful, inherently defined zero (salary, weight, distance) Interval variable o Quantitative scale (very few) o Ratios not meaningful, no inherently defined zero (e.g., temperature ) Ordinal variable o Qualitative (Categorical) scale o Meaningful ordering or ranking of categories (e.g., class) Nominative variable o Qualitative (Categorical) scale o No meaningful ordering or ranking of categories (e.g., gender, color) Qualitative (Categorical variables ): The values are the labels for the categories. The distribution is described by either the count or the percent who fall in each category. o
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/07/2007 for the course BUAD 310 taught by Professor Lv during the Fall '07 term at USC.

Page1 / 2

notes1 - Variable is a characteristic of an individual...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online