individual: each row in a data set (ex: 1 cookie)

1

• individual each row in a data set (ex 1 cookie)
• Respondents individuals who answer or
  participate in a survey.
• Participants/Subjects people on whom an
  experiment is conducted. Inanimate (non-living)
  subjects are called experimental units.
• Records entire rows in a data set (called
  consumer records if related to customers).
• Observations data values

2

• Variable characteristics recorded about each
  individual. (ex chocolate chips in each
  cookie) Variable varies from case to case. 2
  Types 1 Exception
• 1) Categorical represents categories/qualities
  of the variable. Not measurable.
• 2) Quantitative numbers are numerical values and
  are measured in units.
• 3) Exception Ordinal Variables numbers that
  are used as categorical variables (Ex Categories
  of hurricanes. 4 is not twice as large as a 2)
• Qualifier - Univariate (1 variable ex shoe
  size) or Bivariate (2 variables ex shoe size of
  boys and girls)

3
Introductory Terms
Statistic a numerical summary of data. Answers
the question, "What does it mean?" When working
with data you need to know the context for
data 1) Who 2) What 3) When 4) Where 5)
Why 6) How